Home / 18,750,006.32-28,068,974.18-11,341,633.93

Finding the Fourth Proportional to 18,750,006.32, 28,068,974.18 and 11,341,633.93

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Solution

The fourth proportional to 18,750,006.32, 28,068,974.18 and 11,341,633.93 is: 16,978,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,006.32 : 28,068,974.18 = 11,341,633.93 : x
  2. Step 2: Convert to fraction form
    18,750,006.32/28,068,974.18 = 11,341,633.93/x
  3. Step 3: Cross multiply
    18,750,006.32x = 28,068,974.18 × 11,341,633.93
  4. Step 4: Simplify right side
    18,750,006.32x = 318,348,029,940,181.94
  5. Step 5: Solve for x
    x = 318,348,029,940,181.94/18,750,006.32
  6. Step 6: Final answer
    x = 16,978,555.87

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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.