Home / 10,002,963.78-13,804,156.28-5,419,285.16

Finding the Fourth Proportional to 10,002,963.78, 13,804,156.28 and 5,419,285.16

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Solution

The fourth proportional to 10,002,963.78, 13,804,156.28 and 5,419,285.16 is: 7,478,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,963.78 : 13,804,156.28 = 5,419,285.16 : x
  2. Step 2: Convert to fraction form
    10,002,963.78/13,804,156.28 = 5,419,285.16/x
  3. Step 3: Cross multiply
    10,002,963.78x = 13,804,156.28 × 5,419,285.16
  4. Step 4: Simplify right side
    10,002,963.78x = 74,808,659,219,052.25
  5. Step 5: Solve for x
    x = 74,808,659,219,052.25/10,002,963.78
  6. Step 6: Final answer
    x = 7,478,649.41

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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.