Home / 7,972,889.48-11,961,239.32-2,581,545.92

Finding the Fourth Proportional to 7,972,889.48, 11,961,239.32 and 2,581,545.92

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Solution

The fourth proportional to 7,972,889.48, 11,961,239.32 and 2,581,545.92 is: 3,872,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,889.48 : 11,961,239.32 = 2,581,545.92 : x
  2. Step 2: Convert to fraction form
    7,972,889.48/11,961,239.32 = 2,581,545.92/x
  3. Step 3: Cross multiply
    7,972,889.48x = 11,961,239.32 × 2,581,545.92
  4. Step 4: Simplify right side
    7,972,889.48x = 30,878,488,564,689.57
  5. Step 5: Solve for x
    x = 30,878,488,564,689.57/7,972,889.48
  6. Step 6: Final answer
    x = 3,872,935.73

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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.