Home / 21,589,501.60-32,363,516.40-12,482,250.40

Finding the Fourth Proportional to 21,589,501.60, 32,363,516.40 and 12,482,250.40

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Solution

The fourth proportional to 21,589,501.60, 32,363,516.40 and 12,482,250.40 is: 18,711,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589,501.60 : 32,363,516.40 = 12,482,250.40 : x
  2. Step 2: Convert to fraction form
    21,589,501.60/32,363,516.40 = 12,482,250.40/x
  3. Step 3: Cross multiply
    21,589,501.60x = 32,363,516.40 × 12,482,250.40
  4. Step 4: Simplify right side
    21,589,501.60x = 403,969,515,529,306.56
  5. Step 5: Solve for x
    x = 403,969,515,529,306.56/21,589,501.60
  6. Step 6: Final answer
    x = 18,711,386.81

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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.