Home / 21,108,889.92-29,130,323.52-11,451,097.92

Finding the Fourth Proportional to 21,108,889.92, 29,130,323.52 and 11,451,097.92

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Solution

The fourth proportional to 21,108,889.92, 29,130,323.52 and 11,451,097.92 is: 15,802,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,108,889.92 : 29,130,323.52 = 11,451,097.92 : x
  2. Step 2: Convert to fraction form
    21,108,889.92/29,130,323.52 = 11,451,097.92/x
  3. Step 3: Cross multiply
    21,108,889.92x = 29,130,323.52 × 11,451,097.92
  4. Step 4: Simplify right side
    21,108,889.92x = 333,574,187,068,799.06
  5. Step 5: Solve for x
    x = 333,574,187,068,799.06/21,108,889.92
  6. Step 6: Final answer
    x = 15,802,545.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.