Home / 18,193,407.40-27,290,111.10-9,690,351.40

Finding the Fourth Proportional to 18,193,407.40, 27,290,111.10 and 9,690,351.40

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Solution

The fourth proportional to 18,193,407.40, 27,290,111.10 and 9,690,351.40 is: 14,535,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,407.40 : 27,290,111.10 = 9,690,351.40 : x
  2. Step 2: Convert to fraction form
    18,193,407.40/27,290,111.10 = 9,690,351.40/x
  3. Step 3: Cross multiply
    18,193,407.40x = 27,290,111.10 × 9,690,351.40
  4. Step 4: Simplify right side
    18,193,407.40x = 264,450,766,304,040.56
  5. Step 5: Solve for x
    x = 264,450,766,304,040.56/18,193,407.40
  6. Step 6: Final answer
    x = 14,535,527.10

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Double scale
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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.