Home / 51,572,009.68-77,331,393.12-15,175,669.84

Finding the Fourth Proportional to 51,572,009.68, 77,331,393.12 and 15,175,669.84

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Solution

The fourth proportional to 51,572,009.68, 77,331,393.12 and 15,175,669.84 is: 22,755,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572,009.68 : 77,331,393.12 = 15,175,669.84 : x
  2. Step 2: Convert to fraction form
    51,572,009.68/77,331,393.12 = 15,175,669.84/x
  3. Step 3: Cross multiply
    51,572,009.68x = 77,331,393.12 × 15,175,669.84
  4. Step 4: Simplify right side
    51,572,009.68x = 1,173,555,690,256,367.50
  5. Step 5: Solve for x
    x = 1,173,555,690,256,367.50/51,572,009.68
  6. Step 6: Final answer
    x = 22,755,671.10

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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.