Home / 6,921,609.80-10,382,414.70-4,087,257.80

Finding the Fourth Proportional to 6,921,609.80, 10,382,414.70 and 4,087,257.80

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Solution

The fourth proportional to 6,921,609.80, 10,382,414.70 and 4,087,257.80 is: 6,130,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,609.80 : 10,382,414.70 = 4,087,257.80 : x
  2. Step 2: Convert to fraction form
    6,921,609.80/10,382,414.70 = 4,087,257.80/x
  3. Step 3: Cross multiply
    6,921,609.80x = 10,382,414.70 × 4,087,257.80
  4. Step 4: Simplify right side
    6,921,609.80x = 42,435,605,465,409.66
  5. Step 5: Solve for x
    x = 42,435,605,465,409.66/6,921,609.80
  6. Step 6: Final answer
    x = 6,130,886.70

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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.