Home / 17,382,665.60-26,073,998.40-12,903,689.60

Finding the Fourth Proportional to 17,382,665.60, 26,073,998.40 and 12,903,689.60

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Solution

The fourth proportional to 17,382,665.60, 26,073,998.40 and 12,903,689.60 is: 19,355,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382,665.60 : 26,073,998.40 = 12,903,689.60 : x
  2. Step 2: Convert to fraction form
    17,382,665.60/26,073,998.40 = 12,903,689.60/x
  3. Step 3: Cross multiply
    17,382,665.60x = 26,073,998.40 × 12,903,689.60
  4. Step 4: Simplify right side
    17,382,665.60x = 336,450,781,984,496.62
  5. Step 5: Solve for x
    x = 336,450,781,984,496.62/17,382,665.60
  6. Step 6: Final answer
    x = 19,355,534.40

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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.