Home / 16,138,981.20-22,273,128.36-9,264,792

Finding the Fourth Proportional to 16,138,981.20, 22,273,128.36 and 9,264,792

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Solution

The fourth proportional to 16,138,981.20, 22,273,128.36 and 9,264,792 is: 12,786,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138,981.20 : 22,273,128.36 = 9,264,792 : x
  2. Step 2: Convert to fraction form
    16,138,981.20/22,273,128.36 = 9,264,792/x
  3. Step 3: Cross multiply
    16,138,981.20x = 22,273,128.36 × 9,264,792
  4. Step 4: Simplify right side
    16,138,981.20x = 206,355,901,444,701.12
  5. Step 5: Solve for x
    x = 206,355,901,444,701.12/16,138,981.20
  6. Step 6: Final answer
    x = 12,786,178.93

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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.