Home / 7,258,019.40-10,887,029.10-4,990,537.80

Finding the Fourth Proportional to 7,258,019.40, 10,887,029.10 and 4,990,537.80

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Solution

The fourth proportional to 7,258,019.40, 10,887,029.10 and 4,990,537.80 is: 7,485,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,019.40 : 10,887,029.10 = 4,990,537.80 : x
  2. Step 2: Convert to fraction form
    7,258,019.40/10,887,029.10 = 4,990,537.80/x
  3. Step 3: Cross multiply
    7,258,019.40x = 10,887,029.10 × 4,990,537.80
  4. Step 4: Simplify right side
    7,258,019.40x = 54,332,130,253,249.98
  5. Step 5: Solve for x
    x = 54,332,130,253,249.98/7,258,019.40
  6. Step 6: Final answer
    x = 7,485,806.70

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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.