Home / 12,741,432.60-19,015,888.89-11,877,508.08

Finding the Fourth Proportional to 12,741,432.60, 19,015,888.89 and 11,877,508.08

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Solution

The fourth proportional to 12,741,432.60, 19,015,888.89 and 11,877,508.08 is: 17,726,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741,432.60 : 19,015,888.89 = 11,877,508.08 : x
  2. Step 2: Convert to fraction form
    12,741,432.60/19,015,888.89 = 11,877,508.08/x
  3. Step 3: Cross multiply
    12,741,432.60x = 19,015,888.89 × 11,877,508.08
  4. Step 4: Simplify right side
    12,741,432.60x = 225,861,373,939,357.25
  5. Step 5: Solve for x
    x = 225,861,373,939,357.25/12,741,432.60
  6. Step 6: Final answer
    x = 17,726,528.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.