Home / 15,822,831.92-21,835,937.40-8,948,342

Finding the Fourth Proportional to 15,822,831.92, 21,835,937.40 and 8,948,342

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Solution

The fourth proportional to 15,822,831.92, 21,835,937.40 and 8,948,342 is: 12,348,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822,831.92 : 21,835,937.40 = 8,948,342 : x
  2. Step 2: Convert to fraction form
    15,822,831.92/21,835,937.40 = 8,948,342/x
  3. Step 3: Cross multiply
    15,822,831.92x = 21,835,937.40 × 8,948,342
  4. Step 4: Simplify right side
    15,822,831.92x = 195,395,435,745,790.78
  5. Step 5: Solve for x
    x = 195,395,435,745,790.78/15,822,831.92
  6. Step 6: Final answer
    x = 12,348,954.77

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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.