Home / 20,288,432.61-27,998,377.02-10,996,301.52

Finding the Fourth Proportional to 20,288,432.61, 27,998,377.02 and 10,996,301.52

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Solution

The fourth proportional to 20,288,432.61, 27,998,377.02 and 10,996,301.52 is: 15,175,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,432.61 : 27,998,377.02 = 10,996,301.52 : x
  2. Step 2: Convert to fraction form
    20,288,432.61/27,998,377.02 = 10,996,301.52/x
  3. Step 3: Cross multiply
    20,288,432.61x = 27,998,377.02 × 10,996,301.52
  4. Step 4: Simplify right side
    20,288,432.61x = 307,878,595,782,559.06
  5. Step 5: Solve for x
    x = 307,878,595,782,559.06/20,288,432.61
  6. Step 6: Final answer
    x = 15,175,080.39

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1.5x scale

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.