Home / 38,981,280.80-58,471,921.20-26,888,045.60

Finding the Fourth Proportional to 38,981,280.80, 58,471,921.20 and 26,888,045.60

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Solution

The fourth proportional to 38,981,280.80, 58,471,921.20 and 26,888,045.60 is: 40,332,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981,280.80 : 58,471,921.20 = 26,888,045.60 : x
  2. Step 2: Convert to fraction form
    38,981,280.80/58,471,921.20 = 26,888,045.60/x
  3. Step 3: Cross multiply
    38,981,280.80x = 58,471,921.20 × 26,888,045.60
  4. Step 4: Simplify right side
    38,981,280.80x = 1,572,195,683,545,207
  5. Step 5: Solve for x
    x = 1,572,195,683,545,207/38,981,280.80
  6. Step 6: Final answer
    x = 40,332,068.40

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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.