Home / 10,002,784.19-13,803,856.17-5,419,105.56

Finding the Fourth Proportional to 10,002,784.19, 13,803,856.17 and 5,419,105.56

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Solution

The fourth proportional to 10,002,784.19, 13,803,856.17 and 5,419,105.56 is: 7,478,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,784.19 : 13,803,856.17 = 5,419,105.56 : x
  2. Step 2: Convert to fraction form
    10,002,784.19/13,803,856.17 = 5,419,105.56/x
  3. Step 3: Cross multiply
    10,002,784.19x = 13,803,856.17 × 5,419,105.56
  4. Step 4: Simplify right side
    10,002,784.19x = 74,804,553,720,287.30
  5. Step 5: Solve for x
    x = 74,804,553,720,287.30/10,002,784.19
  6. Step 6: Final answer
    x = 7,478,373.25

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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.