Home / 8,321,505.60-12,472,927.20-4,276,430.40

Finding the Fourth Proportional to 8,321,505.60, 12,472,927.20 and 4,276,430.40

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Solution

The fourth proportional to 8,321,505.60, 12,472,927.20 and 4,276,430.40 is: 6,409,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,505.60 : 12,472,927.20 = 4,276,430.40 : x
  2. Step 2: Convert to fraction form
    8,321,505.60/12,472,927.20 = 4,276,430.40/x
  3. Step 3: Cross multiply
    8,321,505.60x = 12,472,927.20 × 4,276,430.40
  4. Step 4: Simplify right side
    8,321,505.60x = 53,339,605,055,066.88
  5. Step 5: Solve for x
    x = 53,339,605,055,066.88/8,321,505.60
  6. Step 6: Final answer
    x = 6,409,850.29

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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.