Home / 7,470,010.80-11,205,016.20-7,155,082.80

Finding the Fourth Proportional to 7,470,010.80, 11,205,016.20 and 7,155,082.80

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Solution

The fourth proportional to 7,470,010.80, 11,205,016.20 and 7,155,082.80 is: 10,732,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470,010.80 : 11,205,016.20 = 7,155,082.80 : x
  2. Step 2: Convert to fraction form
    7,470,010.80/11,205,016.20 = 7,155,082.80/x
  3. Step 3: Cross multiply
    7,470,010.80x = 11,205,016.20 × 7,155,082.80
  4. Step 4: Simplify right side
    7,470,010.80x = 80,172,818,686,341.36
  5. Step 5: Solve for x
    x = 80,172,818,686,341.36/7,470,010.80
  6. Step 6: Final answer
    x = 10,732,624.20

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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.