Home / 7,344,632.40-11,016,948.60-7,218,661.20

Finding the Fourth Proportional to 7,344,632.40, 11,016,948.60 and 7,218,661.20

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Solution

The fourth proportional to 7,344,632.40, 11,016,948.60 and 7,218,661.20 is: 10,827,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344,632.40 : 11,016,948.60 = 7,218,661.20 : x
  2. Step 2: Convert to fraction form
    7,344,632.40/11,016,948.60 = 7,218,661.20/x
  3. Step 3: Cross multiply
    7,344,632.40x = 11,016,948.60 × 7,218,661.20
  4. Step 4: Simplify right side
    7,344,632.40x = 79,527,619,401,214.31
  5. Step 5: Solve for x
    x = 79,527,619,401,214.31/7,344,632.40
  6. Step 6: Final answer
    x = 10,827,991.80

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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.