Home / 15,226,209.79-21,013,498.17-8,352,020.45

Finding the Fourth Proportional to 15,226,209.79, 21,013,498.17 and 8,352,020.45

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Solution

The fourth proportional to 15,226,209.79, 21,013,498.17 and 8,352,020.45 is: 11,526,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226,209.79 : 21,013,498.17 = 8,352,020.45 : x
  2. Step 2: Convert to fraction form
    15,226,209.79/21,013,498.17 = 8,352,020.45/x
  3. Step 3: Cross multiply
    15,226,209.79x = 21,013,498.17 × 8,352,020.45
  4. Step 4: Simplify right side
    15,226,209.79x = 175,505,166,494,411.34
  5. Step 5: Solve for x
    x = 175,505,166,494,411.34/15,226,209.79
  6. Step 6: Final answer
    x = 11,526,517.04

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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.