Home / 20,287,062.40-27,999,017.04-12,554,595.76

Finding the Fourth Proportional to 20,287,062.40, 27,999,017.04 and 12,554,595.76

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Solution

The fourth proportional to 20,287,062.40, 27,999,017.04 and 12,554,595.76 is: 17,327,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,062.40 : 27,999,017.04 = 12,554,595.76 : x
  2. Step 2: Convert to fraction form
    20,287,062.40/27,999,017.04 = 12,554,595.76/x
  3. Step 3: Cross multiply
    20,287,062.40x = 27,999,017.04 × 12,554,595.76
  4. Step 4: Simplify right side
    20,287,062.40x = 351,516,340,614,551.75
  5. Step 5: Solve for x
    x = 351,516,340,614,551.75/20,287,062.40
  6. Step 6: Final answer
    x = 17,327,118.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.