Home / 10,002,784.31-13,803,856.35-5,419,105.68

Finding the Fourth Proportional to 10,002,784.31, 13,803,856.35 and 5,419,105.68

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Solution

The fourth proportional to 10,002,784.31, 13,803,856.35 and 5,419,105.68 is: 7,478,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,784.31 : 13,803,856.35 = 5,419,105.68 : x
  2. Step 2: Convert to fraction form
    10,002,784.31/13,803,856.35 = 5,419,105.68/x
  3. Step 3: Cross multiply
    10,002,784.31x = 13,803,856.35 × 5,419,105.68
  4. Step 4: Simplify right side
    10,002,784.31x = 74,804,556,352,189.06
  5. Step 5: Solve for x
    x = 74,804,556,352,189.06/10,002,784.31
  6. Step 6: Final answer
    x = 7,478,373.43

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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.