Home / 10,553,812.20-15,830,718.30-7,194,580.20

Finding the Fourth Proportional to 10,553,812.20, 15,830,718.30 and 7,194,580.20

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Solution

The fourth proportional to 10,553,812.20, 15,830,718.30 and 7,194,580.20 is: 10,791,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553,812.20 : 15,830,718.30 = 7,194,580.20 : x
  2. Step 2: Convert to fraction form
    10,553,812.20/15,830,718.30 = 7,194,580.20/x
  3. Step 3: Cross multiply
    10,553,812.20x = 15,830,718.30 × 7,194,580.20
  4. Step 4: Simplify right side
    10,553,812.20x = 113,895,372,432,957.67
  5. Step 5: Solve for x
    x = 113,895,372,432,957.67/10,553,812.20
  6. Step 6: Final answer
    x = 10,791,870.30

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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.