Home / 28,392,708.60-42,589,062.90-12,226,404.60

Finding the Fourth Proportional to 28,392,708.60, 42,589,062.90 and 12,226,404.60

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Solution

The fourth proportional to 28,392,708.60, 42,589,062.90 and 12,226,404.60 is: 18,339,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,708.60 : 42,589,062.90 = 12,226,404.60 : x
  2. Step 2: Convert to fraction form
    28,392,708.60/42,589,062.90 = 12,226,404.60/x
  3. Step 3: Cross multiply
    28,392,708.60x = 42,589,062.90 × 12,226,404.60
  4. Step 4: Simplify right side
    28,392,708.60x = 520,711,114,550,249.31
  5. Step 5: Solve for x
    x = 520,711,114,550,249.31/28,392,708.60
  6. Step 6: Final answer
    x = 18,339,606.90

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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.