Home / 25,275,781.80-37,913,672.70-21,024,253.80

Finding the Fourth Proportional to 25,275,781.80, 37,913,672.70 and 21,024,253.80

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Solution

The fourth proportional to 25,275,781.80, 37,913,672.70 and 21,024,253.80 is: 31,536,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275,781.80 : 37,913,672.70 = 21,024,253.80 : x
  2. Step 2: Convert to fraction form
    25,275,781.80/37,913,672.70 = 21,024,253.80/x
  3. Step 3: Cross multiply
    25,275,781.80x = 37,913,672.70 × 21,024,253.80
  4. Step 4: Simplify right side
    25,275,781.80x = 797,106,677,334,931.38
  5. Step 5: Solve for x
    x = 797,106,677,334,931.38/25,275,781.80
  6. Step 6: Final answer
    x = 31,536,380.70

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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.