Home / 18,245,200.08-25,178,385.92-9,985,257.52

Finding the Fourth Proportional to 18,245,200.08, 25,178,385.92 and 9,985,257.52

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Solution

The fourth proportional to 18,245,200.08, 25,178,385.92 and 9,985,257.52 is: 13,779,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245,200.08 : 25,178,385.92 = 9,985,257.52 : x
  2. Step 2: Convert to fraction form
    18,245,200.08/25,178,385.92 = 9,985,257.52/x
  3. Step 3: Cross multiply
    18,245,200.08x = 25,178,385.92 × 9,985,257.52
  4. Step 4: Simplify right side
    18,245,200.08x = 251,412,667,349,142.12
  5. Step 5: Solve for x
    x = 251,412,667,349,142.12/18,245,200.08
  6. Step 6: Final answer
    x = 13,779,660.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.