Home / 52,891,443.60-79,309,638.36-18,807,835.92

Finding the Fourth Proportional to 52,891,443.60, 79,309,638.36 and 18,807,835.92

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Solution

The fourth proportional to 52,891,443.60, 79,309,638.36 and 18,807,835.92 is: 28,201,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,891,443.60 : 79,309,638.36 = 18,807,835.92 : x
  2. Step 2: Convert to fraction form
    52,891,443.60/79,309,638.36 = 18,807,835.92/x
  3. Step 3: Cross multiply
    52,891,443.60x = 79,309,638.36 × 18,807,835.92
  4. Step 4: Simplify right side
    52,891,443.60x = 1,491,642,665,149,418
  5. Step 5: Solve for x
    x = 1,491,642,665,149,418/52,891,443.60
  6. Step 6: Final answer
    x = 28,201,965.45

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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.