Home / 20,891,615.02-31,338,862.39-8,748,852.47

Finding the Fourth Proportional to 20,891,615.02, 31,338,862.39 and 8,748,852.47

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Solution

The fourth proportional to 20,891,615.02, 31,338,862.39 and 8,748,852.47 is: 13,123,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,891,615.02 : 31,338,862.39 = 8,748,852.47 : x
  2. Step 2: Convert to fraction form
    20,891,615.02/31,338,862.39 = 8,748,852.47/x
  3. Step 3: Cross multiply
    20,891,615.02x = 31,338,862.39 × 8,748,852.47
  4. Step 4: Simplify right side
    20,891,615.02x = 274,179,083,726,572.91
  5. Step 5: Solve for x
    x = 274,179,083,726,572.91/20,891,615.02
  6. Step 6: Final answer
    x = 13,123,881.68

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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.