Home / 20,732,474.60-31,084,715.10-11,018,695.40

Finding the Fourth Proportional to 20,732,474.60, 31,084,715.10 and 11,018,695.40

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Solution

The fourth proportional to 20,732,474.60, 31,084,715.10 and 11,018,695.40 is: 16,520,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,474.60 : 31,084,715.10 = 11,018,695.40 : x
  2. Step 2: Convert to fraction form
    20,732,474.60/31,084,715.10 = 11,018,695.40/x
  3. Step 3: Cross multiply
    20,732,474.60x = 31,084,715.10 × 11,018,695.40
  4. Step 4: Simplify right side
    20,732,474.60x = 342,513,007,282,680.56
  5. Step 5: Solve for x
    x = 342,513,007,282,680.56/20,732,474.60
  6. Step 6: Final answer
    x = 16,520,604.22

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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.