Home / 22,125,172.17-30,543,018.10-15,764,127.76

Finding the Fourth Proportional to 22,125,172.17, 30,543,018.10 and 15,764,127.76

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Solution

The fourth proportional to 22,125,172.17, 30,543,018.10 and 15,764,127.76 is: 21,761,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125,172.17 : 30,543,018.10 = 15,764,127.76 : x
  2. Step 2: Convert to fraction form
    22,125,172.17/30,543,018.10 = 15,764,127.76/x
  3. Step 3: Cross multiply
    22,125,172.17x = 30,543,018.10 × 15,764,127.76
  4. Step 4: Simplify right side
    22,125,172.17x = 481,484,039,503,160.94
  5. Step 5: Solve for x
    x = 481,484,039,503,160.94/22,125,172.17
  6. Step 6: Final answer
    x = 21,761,821.14

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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.