Home / 10,002,967.28-13,804,161.12-5,419,288.66

Finding the Fourth Proportional to 10,002,967.28, 13,804,161.12 and 5,419,288.66

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Solution

The fourth proportional to 10,002,967.28, 13,804,161.12 and 5,419,288.66 is: 7,478,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,967.28 : 13,804,161.12 = 5,419,288.66 : x
  2. Step 2: Convert to fraction form
    10,002,967.28/13,804,161.12 = 5,419,288.66/x
  3. Step 3: Cross multiply
    10,002,967.28x = 13,804,161.12 × 5,419,288.66
  4. Step 4: Simplify right side
    10,002,967.28x = 74,808,733,818,428.89
  5. Step 5: Solve for x
    x = 74,808,733,818,428.89/10,002,967.28
  6. Step 6: Final answer
    x = 7,478,654.26

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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.