Home / 8,748,043.20-13,122,064.80-4,905,921.60

Finding the Fourth Proportional to 8,748,043.20, 13,122,064.80 and 4,905,921.60

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Solution

The fourth proportional to 8,748,043.20, 13,122,064.80 and 4,905,921.60 is: 7,358,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,043.20 : 13,122,064.80 = 4,905,921.60 : x
  2. Step 2: Convert to fraction form
    8,748,043.20/13,122,064.80 = 4,905,921.60/x
  3. Step 3: Cross multiply
    8,748,043.20x = 13,122,064.80 × 4,905,921.60
  4. Step 4: Simplify right side
    8,748,043.20x = 64,375,821,138,919.68
  5. Step 5: Solve for x
    x = 64,375,821,138,919.68/8,748,043.20
  6. Step 6: Final answer
    x = 7,358,882.40

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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.