Home / 15,443,797.17-21,312,034.32-8,474,453.31

Finding the Fourth Proportional to 15,443,797.17, 21,312,034.32 and 8,474,453.31

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Solution

The fourth proportional to 15,443,797.17, 21,312,034.32 and 8,474,453.31 is: 11,694,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443,797.17 : 21,312,034.32 = 8,474,453.31 : x
  2. Step 2: Convert to fraction form
    15,443,797.17/21,312,034.32 = 8,474,453.31/x
  3. Step 3: Cross multiply
    15,443,797.17x = 21,312,034.32 × 8,474,453.31
  4. Step 4: Simplify right side
    15,443,797.17x = 180,607,839,785,957.62
  5. Step 5: Solve for x
    x = 180,607,839,785,957.62/15,443,797.17
  6. Step 6: Final answer
    x = 11,694,522.91

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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.