Home / 18,834,309.60-28,251,723.60-5,371,139.04

Finding the Fourth Proportional to 18,834,309.60, 28,251,723.60 and 5,371,139.04

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Solution

The fourth proportional to 18,834,309.60, 28,251,723.60 and 5,371,139.04 is: 8,056,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834,309.60 : 28,251,723.60 = 5,371,139.04 : x
  2. Step 2: Convert to fraction form
    18,834,309.60/28,251,723.60 = 5,371,139.04/x
  3. Step 3: Cross multiply
    18,834,309.60x = 28,251,723.60 × 5,371,139.04
  4. Step 4: Simplify right side
    18,834,309.60x = 151,743,935,575,249.34
  5. Step 5: Solve for x
    x = 151,743,935,575,249.34/18,834,309.60
  6. Step 6: Final answer
    x = 8,056,782.48

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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.