Home / 20,255,963.12-27,953,227.05-10,963,531.70

Finding the Fourth Proportional to 20,255,963.12, 27,953,227.05 and 10,963,531.70

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Solution

The fourth proportional to 20,255,963.12, 27,953,227.05 and 10,963,531.70 is: 15,129,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,963.12 : 27,953,227.05 = 10,963,531.70 : x
  2. Step 2: Convert to fraction form
    20,255,963.12/27,953,227.05 = 10,963,531.70/x
  3. Step 3: Cross multiply
    20,255,963.12x = 27,953,227.05 × 10,963,531.70
  4. Step 4: Simplify right side
    20,255,963.12x = 306,466,090,879,972.50
  5. Step 5: Solve for x
    x = 306,466,090,879,972.50/20,255,963.12
  6. Step 6: Final answer
    x = 15,129,672.63

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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.