Home / 8,861,291.78-12,228,280.32-4,887,720.44

Finding the Fourth Proportional to 8,861,291.78, 12,228,280.32 and 4,887,720.44

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Solution

The fourth proportional to 8,861,291.78, 12,228,280.32 and 4,887,720.44 is: 6,744,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861,291.78 : 12,228,280.32 = 4,887,720.44 : x
  2. Step 2: Convert to fraction form
    8,861,291.78/12,228,280.32 = 4,887,720.44/x
  3. Step 3: Cross multiply
    8,861,291.78x = 12,228,280.32 × 4,887,720.44
  4. Step 4: Simplify right side
    8,861,291.78x = 59,768,415,666,113.75
  5. Step 5: Solve for x
    x = 59,768,415,666,113.75/8,861,291.78
  6. Step 6: Final answer
    x = 6,744,887.44

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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.