Home / 7,340,475.40-11,010,713.10-5,072,993.80

Finding the Fourth Proportional to 7,340,475.40, 11,010,713.10 and 5,072,993.80

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Solution

The fourth proportional to 7,340,475.40, 11,010,713.10 and 5,072,993.80 is: 7,609,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,475.40 : 11,010,713.10 = 5,072,993.80 : x
  2. Step 2: Convert to fraction form
    7,340,475.40/11,010,713.10 = 5,072,993.80/x
  3. Step 3: Cross multiply
    7,340,475.40x = 11,010,713.10 × 5,072,993.80
  4. Step 4: Simplify right side
    7,340,475.40x = 55,857,279,289,878.77
  5. Step 5: Solve for x
    x = 55,857,279,289,878.77/7,340,475.40
  6. Step 6: Final answer
    x = 7,609,490.70

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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.