Home / 25,278,197.78-34,750,002.81-21,732,933.60

Finding the Fourth Proportional to 25,278,197.78, 34,750,002.81 and 21,732,933.60

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Solution

The fourth proportional to 25,278,197.78, 34,750,002.81 and 21,732,933.60 is: 29,876,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278,197.78 : 34,750,002.81 = 21,732,933.60 : x
  2. Step 2: Convert to fraction form
    25,278,197.78/34,750,002.81 = 21,732,933.60/x
  3. Step 3: Cross multiply
    25,278,197.78x = 34,750,002.81 × 21,732,933.60
  4. Step 4: Simplify right side
    25,278,197.78x = 755,219,503,669,543.50
  5. Step 5: Solve for x
    x = 755,219,503,669,543.50/25,278,197.78
  6. Step 6: Final answer
    x = 29,876,319.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.