Home / 20,366,487.80-30,526,112.10-8,227,981.70

Finding the Fourth Proportional to 20,366,487.80, 30,526,112.10 and 8,227,981.70

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Solution

The fourth proportional to 20,366,487.80, 30,526,112.10 and 8,227,981.70 is: 12,332,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366,487.80 : 30,526,112.10 = 8,227,981.70 : x
  2. Step 2: Convert to fraction form
    20,366,487.80/30,526,112.10 = 8,227,981.70/x
  3. Step 3: Cross multiply
    20,366,487.80x = 30,526,112.10 × 8,227,981.70
  4. Step 4: Simplify right side
    20,366,487.80x = 251,168,291,730,948.59
  5. Step 5: Solve for x
    x = 251,168,291,730,948.59/20,366,487.80
  6. Step 6: Final answer
    x = 12,332,430.32

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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.