Home / 9,887,005.60-14,830,508.40-7,647,517.60

Finding the Fourth Proportional to 9,887,005.60, 14,830,508.40 and 7,647,517.60

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Solution

The fourth proportional to 9,887,005.60, 14,830,508.40 and 7,647,517.60 is: 11,471,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887,005.60 : 14,830,508.40 = 7,647,517.60 : x
  2. Step 2: Convert to fraction form
    9,887,005.60/14,830,508.40 = 7,647,517.60/x
  3. Step 3: Cross multiply
    9,887,005.60x = 14,830,508.40 × 7,647,517.60
  4. Step 4: Simplify right side
    9,887,005.60x = 113,416,574,005,947.84
  5. Step 5: Solve for x
    x = 113,416,574,005,947.84/9,887,005.60
  6. Step 6: Final answer
    x = 11,471,276.40

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Similar ratio
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1.5x scale

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.