Home / 7,488,129.60-11,232,194.40-4,639,003.20

Finding the Fourth Proportional to 7,488,129.60, 11,232,194.40 and 4,639,003.20

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Solution

The fourth proportional to 7,488,129.60, 11,232,194.40 and 4,639,003.20 is: 6,958,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,129.60 : 11,232,194.40 = 4,639,003.20 : x
  2. Step 2: Convert to fraction form
    7,488,129.60/11,232,194.40 = 4,639,003.20/x
  3. Step 3: Cross multiply
    7,488,129.60x = 11,232,194.40 × 4,639,003.20
  4. Step 4: Simplify right side
    7,488,129.60x = 52,106,185,764,622.09
  5. Step 5: Solve for x
    x = 52,106,185,764,622.09/7,488,129.60
  6. Step 6: Final answer
    x = 6,958,504.80

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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.