Home / 10,785,387.60-16,178,081.40-9,084,776.40

Finding the Fourth Proportional to 10,785,387.60, 16,178,081.40 and 9,084,776.40

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Solution

The fourth proportional to 10,785,387.60, 16,178,081.40 and 9,084,776.40 is: 13,627,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785,387.60 : 16,178,081.40 = 9,084,776.40 : x
  2. Step 2: Convert to fraction form
    10,785,387.60/16,178,081.40 = 9,084,776.40/x
  3. Step 3: Cross multiply
    10,785,387.60x = 16,178,081.40 × 9,084,776.40
  4. Step 4: Simplify right side
    10,785,387.60x = 146,974,252,099,998.97
  5. Step 5: Solve for x
    x = 146,974,252,099,998.97/10,785,387.60
  6. Step 6: Final answer
    x = 13,627,164.60

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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.