Home / 9,043,765.20-12,480,135.48-5,176,154.88

Finding the Fourth Proportional to 9,043,765.20, 12,480,135.48 and 5,176,154.88

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Solution

The fourth proportional to 9,043,765.20, 12,480,135.48 and 5,176,154.88 is: 7,142,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043,765.20 : 12,480,135.48 = 5,176,154.88 : x
  2. Step 2: Convert to fraction form
    9,043,765.20/12,480,135.48 = 5,176,154.88/x
  3. Step 3: Cross multiply
    9,043,765.20x = 12,480,135.48 × 5,176,154.88
  4. Step 4: Simplify right side
    9,043,765.20x = 64,599,114,167,863.14
  5. Step 5: Solve for x
    x = 64,599,114,167,863.14/9,043,765.20
  6. Step 6: Final answer
    x = 7,142,944.64

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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.