Home / 10,281,689.60-15,419,769.60-4,296,819.20

Finding the Fourth Proportional to 10,281,689.60, 15,419,769.60 and 4,296,819.20

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Solution

The fourth proportional to 10,281,689.60, 15,419,769.60 and 4,296,819.20 is: 6,444,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281,689.60 : 15,419,769.60 = 4,296,819.20 : x
  2. Step 2: Convert to fraction form
    10,281,689.60/15,419,769.60 = 4,296,819.20/x
  3. Step 3: Cross multiply
    10,281,689.60x = 15,419,769.60 × 4,296,819.20
  4. Step 4: Simplify right side
    10,281,689.60x = 66,255,962,076,856.32
  5. Step 5: Solve for x
    x = 66,255,962,076,856.32/10,281,689.60
  6. Step 6: Final answer
    x = 6,444,073.36

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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.