Home / 18,845,649.30-28,268,473.95-16,932,461.70

Finding the Fourth Proportional to 18,845,649.30, 28,268,473.95 and 16,932,461.70

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Solution

The fourth proportional to 18,845,649.30, 28,268,473.95 and 16,932,461.70 is: 25,398,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845,649.30 : 28,268,473.95 = 16,932,461.70 : x
  2. Step 2: Convert to fraction form
    18,845,649.30/28,268,473.95 = 16,932,461.70/x
  3. Step 3: Cross multiply
    18,845,649.30x = 28,268,473.95 × 16,932,461.70
  4. Step 4: Simplify right side
    18,845,649.30x = 478,654,852,475,822.69
  5. Step 5: Solve for x
    x = 478,654,852,475,822.69/18,845,649.30
  6. Step 6: Final answer
    x = 25,398,692.55

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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.