Home / 21,218,822.73-31,802,510.85-15,061,119.19

Finding the Fourth Proportional to 21,218,822.73, 31,802,510.85 and 15,061,119.19

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Solution

The fourth proportional to 21,218,822.73, 31,802,510.85 and 15,061,119.19 is: 22,573,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,218,822.73 : 31,802,510.85 = 15,061,119.19 : x
  2. Step 2: Convert to fraction form
    21,218,822.73/31,802,510.85 = 15,061,119.19/x
  3. Step 3: Cross multiply
    21,218,822.73x = 31,802,510.85 × 15,061,119.19
  4. Step 4: Simplify right side
    21,218,822.73x = 478,981,406,453,118.19
  5. Step 5: Solve for x
    x = 478,981,406,453,118.19/21,218,822.73
  6. Step 6: Final answer
    x = 22,573,420.43

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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.