Home / 45,169,474.04-67,754,076.98-12,821,403.96

Finding the Fourth Proportional to 45,169,474.04, 67,754,076.98 and 12,821,403.96

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Solution

The fourth proportional to 45,169,474.04, 67,754,076.98 and 12,821,403.96 is: 19,232,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,169,474.04 : 67,754,076.98 = 12,821,403.96 : x
  2. Step 2: Convert to fraction form
    45,169,474.04/67,754,076.98 = 12,821,403.96/x
  3. Step 3: Cross multiply
    45,169,474.04x = 67,754,076.98 × 12,821,403.96
  4. Step 4: Simplify right side
    45,169,474.04x = 868,702,390,897,517
  5. Step 5: Solve for x
    x = 868,702,390,897,517/45,169,474.04
  6. Step 6: Final answer
    x = 19,232,067.88

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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.