Home / 18,193,406.40-27,290,109.60-9,690,350.40

Finding the Fourth Proportional to 18,193,406.40, 27,290,109.60 and 9,690,350.40

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Solution

The fourth proportional to 18,193,406.40, 27,290,109.60 and 9,690,350.40 is: 14,535,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,406.40 : 27,290,109.60 = 9,690,350.40 : x
  2. Step 2: Convert to fraction form
    18,193,406.40/27,290,109.60 = 9,690,350.40/x
  3. Step 3: Cross multiply
    18,193,406.40x = 27,290,109.60 × 9,690,350.40
  4. Step 4: Simplify right side
    18,193,406.40x = 264,450,724,478,403.88
  5. Step 5: Solve for x
    x = 264,450,724,478,403.88/18,193,406.40
  6. Step 6: Final answer
    x = 14,535,525.60

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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.