Home / 38,852,420.20-58,278,630.30-18,697,028.20

Finding the Fourth Proportional to 38,852,420.20, 58,278,630.30 and 18,697,028.20

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Solution

The fourth proportional to 38,852,420.20, 58,278,630.30 and 18,697,028.20 is: 28,045,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852,420.20 : 58,278,630.30 = 18,697,028.20 : x
  2. Step 2: Convert to fraction form
    38,852,420.20/58,278,630.30 = 18,697,028.20/x
  3. Step 3: Cross multiply
    38,852,420.20x = 58,278,630.30 × 18,697,028.20
  4. Step 4: Simplify right side
    38,852,420.20x = 1,089,637,194,176,474.38
  5. Step 5: Solve for x
    x = 1,089,637,194,176,474.38/38,852,420.20
  6. Step 6: Final answer
    x = 28,045,542.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.