Home / 36,690,123.60-55,041,828.42-18,448,411.28

Finding the Fourth Proportional to 36,690,123.60, 55,041,828.42 and 18,448,411.28

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Solution

The fourth proportional to 36,690,123.60, 55,041,828.42 and 18,448,411.28 is: 27,675,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690,123.60 : 55,041,828.42 = 18,448,411.28 : x
  2. Step 2: Convert to fraction form
    36,690,123.60/55,041,828.42 = 18,448,411.28/x
  3. Step 3: Cross multiply
    36,690,123.60x = 55,041,828.42 × 18,448,411.28
  4. Step 4: Simplify right side
    36,690,123.60x = 1,015,434,288,020,143.38
  5. Step 5: Solve for x
    x = 1,015,434,288,020,143.38/36,690,123.60
  6. Step 6: Final answer
    x = 27,675,957.13

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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.