Home / 38,341,831.74-52,904,605.05-21,820,974.04

Finding the Fourth Proportional to 38,341,831.74, 52,904,605.05 and 21,820,974.04

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Solution

The fourth proportional to 38,341,831.74, 52,904,605.05 and 21,820,974.04 is: 30,108,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341,831.74 : 52,904,605.05 = 21,820,974.04 : x
  2. Step 2: Convert to fraction form
    38,341,831.74/52,904,605.05 = 21,820,974.04/x
  3. Step 3: Cross multiply
    38,341,831.74x = 52,904,605.05 × 21,820,974.04
  4. Step 4: Simplify right side
    38,341,831.74x = 1,154,430,013,392,502.75
  5. Step 5: Solve for x
    x = 1,154,430,013,392,502.75/38,341,831.74
  6. Step 6: Final answer
    x = 30,108,890.50

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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.