Home / 28,549,251.78-39,397,998.03-15,496,508.70

Finding the Fourth Proportional to 28,549,251.78, 39,397,998.03 and 15,496,508.70

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Solution

The fourth proportional to 28,549,251.78, 39,397,998.03 and 15,496,508.70 is: 21,385,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549,251.78 : 39,397,998.03 = 15,496,508.70 : x
  2. Step 2: Convert to fraction form
    28,549,251.78/39,397,998.03 = 15,496,508.70/x
  3. Step 3: Cross multiply
    28,549,251.78x = 39,397,998.03 × 15,496,508.70
  4. Step 4: Simplify right side
    28,549,251.78x = 610,531,419,234,477.88
  5. Step 5: Solve for x
    x = 610,531,419,234,477.88/28,549,251.78
  6. Step 6: Final answer
    x = 21,385,198.60

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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.