Home / 37,068,512.30-55,562,218.05-13,121,657.90

Finding the Fourth Proportional to 37,068,512.30, 55,562,218.05 and 13,121,657.90

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Solution

The fourth proportional to 37,068,512.30, 55,562,218.05 and 13,121,657.90 is: 19,668,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,068,512.30 : 55,562,218.05 = 13,121,657.90 : x
  2. Step 2: Convert to fraction form
    37,068,512.30/55,562,218.05 = 13,121,657.90/x
  3. Step 3: Cross multiply
    37,068,512.30x = 55,562,218.05 × 13,121,657.90
  4. Step 4: Simplify right side
    37,068,512.30x = 729,068,417,417,305.12
  5. Step 5: Solve for x
    x = 729,068,417,417,305.12/37,068,512.30
  6. Step 6: Final answer
    x = 19,668,132.66

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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.