Home / 20,914,761.30-28,865,795.02-17,424,565.62

Finding the Fourth Proportional to 20,914,761.30, 28,865,795.02 and 17,424,565.62

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Solution

The fourth proportional to 20,914,761.30, 28,865,795.02 and 17,424,565.62 is: 24,048,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,761.30 : 28,865,795.02 = 17,424,565.62 : x
  2. Step 2: Convert to fraction form
    20,914,761.30/28,865,795.02 = 17,424,565.62/x
  3. Step 3: Cross multiply
    20,914,761.30x = 28,865,795.02 × 17,424,565.62
  4. Step 4: Simplify right side
    20,914,761.30x = 502,973,939,499,459.25
  5. Step 5: Solve for x
    x = 502,973,939,499,459.25/20,914,761.30
  6. Step 6: Final answer
    x = 24,048,753.52

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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.