Home / 20,715,609.07-28,582,541.13-13,371,869.44

Finding the Fourth Proportional to 20,715,609.07, 28,582,541.13 and 13,371,869.44

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Solution

The fourth proportional to 20,715,609.07, 28,582,541.13 and 13,371,869.44 is: 18,449,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,609.07 : 28,582,541.13 = 13,371,869.44 : x
  2. Step 2: Convert to fraction form
    20,715,609.07/28,582,541.13 = 13,371,869.44/x
  3. Step 3: Cross multiply
    20,715,609.07x = 28,582,541.13 × 13,371,869.44
  4. Step 4: Simplify right side
    20,715,609.07x = 382,202,008,253,790.06
  5. Step 5: Solve for x
    x = 382,202,008,253,790.06/20,715,609.07
  6. Step 6: Final answer
    x = 18,449,952.74

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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.