Home / 8,510,409.60-12,774,945.60-5,319,139.20

Finding the Fourth Proportional to 8,510,409.60, 12,774,945.60 and 5,319,139.20

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Solution

The fourth proportional to 8,510,409.60, 12,774,945.60 and 5,319,139.20 is: 7,984,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,409.60 : 12,774,945.60 = 5,319,139.20 : x
  2. Step 2: Convert to fraction form
    8,510,409.60/12,774,945.60 = 5,319,139.20/x
  3. Step 3: Cross multiply
    8,510,409.60x = 12,774,945.60 × 5,319,139.20
  4. Step 4: Simplify right side
    8,510,409.60x = 67,951,713,918,827.52
  5. Step 5: Solve for x
    x = 67,951,713,918,827.52/8,510,409.60
  6. Step 6: Final answer
    x = 7,984,540.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.