Home / 9,986,353.92-13,781,132.80-5,402,676.48

Finding the Fourth Proportional to 9,986,353.92, 13,781,132.80 and 5,402,676.48

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Solution

The fourth proportional to 9,986,353.92, 13,781,132.80 and 5,402,676.48 is: 7,455,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,353.92 : 13,781,132.80 = 5,402,676.48 : x
  2. Step 2: Convert to fraction form
    9,986,353.92/13,781,132.80 = 5,402,676.48/x
  3. Step 3: Cross multiply
    9,986,353.92x = 13,781,132.80 × 5,402,676.48
  4. Step 4: Simplify right side
    9,986,353.92x = 74,455,002,046,316.55
  5. Step 5: Solve for x
    x = 74,455,002,046,316.55/9,986,353.92
  6. Step 6: Final answer
    x = 7,455,674.28

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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.