Home / 15,820,227,175.70-21,831,935,121.87-8,586,274,764.13

Finding the Fourth Proportional to 15,820,227,175.70, 21,831,935,121.87 and 8,586,274,764.13

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Solution

The fourth proportional to 15,820,227,175.70, 21,831,935,121.87 and 8,586,274,764.13 is: 11,849,070,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,227,175.70 : 21,831,935,121.87 = 8,586,274,764.13 : x
  2. Step 2: Convert to fraction form
    15,820,227,175.70/21,831,935,121.87 = 8,586,274,764.13/x
  3. Step 3: Cross multiply
    15,820,227,175.70x = 21,831,935,121.87 × 8,586,274,764.13
  4. Step 4: Simplify right side
    15,820,227,175.70x = 187,454,993,588,926,644,224
  5. Step 5: Solve for x
    x = 187,454,993,588,926,644,224/15,820,227,175.70
  6. Step 6: Final answer
    x = 11,849,070,908.21

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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.