Home / 20,206,773.06-30,329,322.10-12,507,127.14

Finding the Fourth Proportional to 20,206,773.06, 30,329,322.10 and 12,507,127.14

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Solution

The fourth proportional to 20,206,773.06, 30,329,322.10 and 12,507,127.14 is: 18,772,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206,773.06 : 30,329,322.10 = 12,507,127.14 : x
  2. Step 2: Convert to fraction form
    20,206,773.06/30,329,322.10 = 12,507,127.14/x
  3. Step 3: Cross multiply
    20,206,773.06x = 30,329,322.10 × 12,507,127.14
  4. Step 4: Simplify right side
    20,206,773.06x = 379,332,687,657,178.94
  5. Step 5: Solve for x
    x = 379,332,687,657,178.94/20,206,773.06
  6. Step 6: Final answer
    x = 18,772,551.49

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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.