Home / 19,625,808.20-29,438,712.30-18,744,009.80

Finding the Fourth Proportional to 19,625,808.20, 29,438,712.30 and 18,744,009.80

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Solution

The fourth proportional to 19,625,808.20, 29,438,712.30 and 18,744,009.80 is: 28,116,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625,808.20 : 29,438,712.30 = 18,744,009.80 : x
  2. Step 2: Convert to fraction form
    19,625,808.20/29,438,712.30 = 18,744,009.80/x
  3. Step 3: Cross multiply
    19,625,808.20x = 29,438,712.30 × 18,744,009.80
  4. Step 4: Simplify right side
    19,625,808.20x = 551,799,511,850,580.56
  5. Step 5: Solve for x
    x = 551,799,511,850,580.56/19,625,808.20
  6. Step 6: Final answer
    x = 28,116,014.70

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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.