Home / 15,981,117.95-22,056,102.77-9,013,226.60

Finding the Fourth Proportional to 15,981,117.95, 22,056,102.77 and 9,013,226.60

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Solution

The fourth proportional to 15,981,117.95, 22,056,102.77 and 9,013,226.60 is: 12,439,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981,117.95 : 22,056,102.77 = 9,013,226.60 : x
  2. Step 2: Convert to fraction form
    15,981,117.95/22,056,102.77 = 9,013,226.60/x
  3. Step 3: Cross multiply
    15,981,117.95x = 22,056,102.77 × 9,013,226.60
  4. Step 4: Simplify right side
    15,981,117.95x = 198,796,652,188,971.78
  5. Step 5: Solve for x
    x = 198,796,652,188,971.78/15,981,117.95
  6. Step 6: Final answer
    x = 12,439,470.93

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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.