Home / 25,124,879.70-37,687,319.55-18,747,587.70

Finding the Fourth Proportional to 25,124,879.70, 37,687,319.55 and 18,747,587.70

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Solution

The fourth proportional to 25,124,879.70, 37,687,319.55 and 18,747,587.70 is: 28,121,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124,879.70 : 37,687,319.55 = 18,747,587.70 : x
  2. Step 2: Convert to fraction form
    25,124,879.70/37,687,319.55 = 18,747,587.70/x
  3. Step 3: Cross multiply
    25,124,879.70x = 37,687,319.55 × 18,747,587.70
  4. Step 4: Simplify right side
    25,124,879.70x = 706,546,328,441,549.50
  5. Step 5: Solve for x
    x = 706,546,328,441,549.50/25,124,879.70
  6. Step 6: Final answer
    x = 28,121,381.55

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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.