Home / 12,601,097.60-18,901,646.40-7,226,326.40

Finding the Fourth Proportional to 12,601,097.60, 18,901,646.40 and 7,226,326.40

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Solution

The fourth proportional to 12,601,097.60, 18,901,646.40 and 7,226,326.40 is: 10,839,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,097.60 : 18,901,646.40 = 7,226,326.40 : x
  2. Step 2: Convert to fraction form
    12,601,097.60/18,901,646.40 = 7,226,326.40/x
  3. Step 3: Cross multiply
    12,601,097.60x = 18,901,646.40 × 7,226,326.40
  4. Step 4: Simplify right side
    12,601,097.60x = 136,589,466,383,784.95
  5. Step 5: Solve for x
    x = 136,589,466,383,784.95/12,601,097.60
  6. Step 6: Final answer
    x = 10,839,489.60

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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.