Home / 19,063,545.12-28,597,188.78-5,417,321.22

Finding the Fourth Proportional to 19,063,545.12, 28,597,188.78 and 5,417,321.22

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Solution

The fourth proportional to 19,063,545.12, 28,597,188.78 and 5,417,321.22 is: 8,126,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063,545.12 : 28,597,188.78 = 5,417,321.22 : x
  2. Step 2: Convert to fraction form
    19,063,545.12/28,597,188.78 = 5,417,321.22/x
  3. Step 3: Cross multiply
    19,063,545.12x = 28,597,188.78 × 5,417,321.22
  4. Step 4: Simplify right side
    19,063,545.12x = 154,920,157,610,239.91
  5. Step 5: Solve for x
    x = 154,920,157,610,239.91/19,063,545.12
  6. Step 6: Final answer
    x = 8,126,513.54

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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.