Home / 10,387,812.60-15,581,718.90-6,561,437.40

Finding the Fourth Proportional to 10,387,812.60, 15,581,718.90 and 6,561,437.40

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Solution

The fourth proportional to 10,387,812.60, 15,581,718.90 and 6,561,437.40 is: 9,842,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,812.60 : 15,581,718.90 = 6,561,437.40 : x
  2. Step 2: Convert to fraction form
    10,387,812.60/15,581,718.90 = 6,561,437.40/x
  3. Step 3: Cross multiply
    10,387,812.60x = 15,581,718.90 × 6,561,437.40
  4. Step 4: Simplify right side
    10,387,812.60x = 102,238,473,146,746.88
  5. Step 5: Solve for x
    x = 102,238,473,146,746.88/10,387,812.60
  6. Step 6: Final answer
    x = 9,842,156.10

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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.