Home / 15,447,382.59-21,318,384.43-8,571,864.66

Finding the Fourth Proportional to 15,447,382.59, 21,318,384.43 and 8,571,864.66

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Solution

The fourth proportional to 15,447,382.59, 21,318,384.43 and 8,571,864.66 is: 11,829,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447,382.59 : 21,318,384.43 = 8,571,864.66 : x
  2. Step 2: Convert to fraction form
    15,447,382.59/21,318,384.43 = 8,571,864.66/x
  3. Step 3: Cross multiply
    15,447,382.59x = 21,318,384.43 × 8,571,864.66
  4. Step 4: Simplify right side
    15,447,382.59x = 182,738,306,034,582.12
  5. Step 5: Solve for x
    x = 182,738,306,034,582.12/15,447,382.59
  6. Step 6: Final answer
    x = 11,829,726.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.