Home / 12,541,081.60-18,829,118.40-8,020,115.20

Finding the Fourth Proportional to 12,541,081.60, 18,829,118.40 and 8,020,115.20

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Solution

The fourth proportional to 12,541,081.60, 18,829,118.40 and 8,020,115.20 is: 12,041,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541,081.60 : 18,829,118.40 = 8,020,115.20 : x
  2. Step 2: Convert to fraction form
    12,541,081.60/18,829,118.40 = 8,020,115.20/x
  3. Step 3: Cross multiply
    12,541,081.60x = 18,829,118.40 × 8,020,115.20
  4. Step 4: Simplify right side
    12,541,081.60x = 151,011,698,682,439.66
  5. Step 5: Solve for x
    x = 151,011,698,682,439.66/12,541,081.60
  6. Step 6: Final answer
    x = 12,041,361.62

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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.