Home / 15,820,227,174.70-21,831,935,120.49-8,586,274,763.13

Finding the Fourth Proportional to 15,820,227,174.70, 21,831,935,120.49 and 8,586,274,763.13

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Solution

The fourth proportional to 15,820,227,174.70, 21,831,935,120.49 and 8,586,274,763.13 is: 11,849,070,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,227,174.70 : 21,831,935,120.49 = 8,586,274,763.13 : x
  2. Step 2: Convert to fraction form
    15,820,227,174.70/21,831,935,120.49 = 8,586,274,763.13/x
  3. Step 3: Cross multiply
    15,820,227,174.70x = 21,831,935,120.49 × 8,586,274,763.13
  4. Step 4: Simplify right side
    15,820,227,174.70x = 187,454,993,555,262,832,640
  5. Step 5: Solve for x
    x = 187,454,993,555,262,832,640/15,820,227,174.70
  6. Step 6: Final answer
    x = 11,849,070,906.83

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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.