Home / 39,705,100.20-59,557,650.30-12,778,756.20

Finding the Fourth Proportional to 39,705,100.20, 59,557,650.30 and 12,778,756.20

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Solution

The fourth proportional to 39,705,100.20, 59,557,650.30 and 12,778,756.20 is: 19,168,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705,100.20 : 59,557,650.30 = 12,778,756.20 : x
  2. Step 2: Convert to fraction form
    39,705,100.20/59,557,650.30 = 12,778,756.20/x
  3. Step 3: Cross multiply
    39,705,100.20x = 59,557,650.30 × 12,778,756.20
  4. Step 4: Simplify right side
    39,705,100.20x = 761,072,693,028,556.75
  5. Step 5: Solve for x
    x = 761,072,693,028,556.75/39,705,100.20
  6. Step 6: Final answer
    x = 19,168,134.30

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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.