Home / 8,918,408.56-12,307,194.48-5,247,562.90

Finding the Fourth Proportional to 8,918,408.56, 12,307,194.48 and 5,247,562.90

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Solution

The fourth proportional to 8,918,408.56, 12,307,194.48 and 5,247,562.90 is: 7,241,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,408.56 : 12,307,194.48 = 5,247,562.90 : x
  2. Step 2: Convert to fraction form
    8,918,408.56/12,307,194.48 = 5,247,562.90/x
  3. Step 3: Cross multiply
    8,918,408.56x = 12,307,194.48 × 5,247,562.90
  4. Step 4: Simplify right side
    8,918,408.56x = 64,582,777,156,332.80
  5. Step 5: Solve for x
    x = 64,582,777,156,332.80/8,918,408.56
  6. Step 6: Final answer
    x = 7,241,513.63

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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.