Home / 20,845,513.92-31,264,593.48-8,055,503.76

Finding the Fourth Proportional to 20,845,513.92, 31,264,593.48 and 8,055,503.76

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Solution

The fourth proportional to 20,845,513.92, 31,264,593.48 and 8,055,503.76 is: 12,081,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,513.92 : 31,264,593.48 = 8,055,503.76 : x
  2. Step 2: Convert to fraction form
    20,845,513.92/31,264,593.48 = 8,055,503.76/x
  3. Step 3: Cross multiply
    20,845,513.92x = 31,264,593.48 × 8,055,503.76
  4. Step 4: Simplify right side
    20,845,513.92x = 251,852,050,333,011.47
  5. Step 5: Solve for x
    x = 251,852,050,333,011.47/20,845,513.92
  6. Step 6: Final answer
    x = 12,081,834.55

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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.