Home / 7,938,390.39-10,961,149.40-6,099,950.80

Finding the Fourth Proportional to 7,938,390.39, 10,961,149.40 and 6,099,950.80

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Solution

The fourth proportional to 7,938,390.39, 10,961,149.40 and 6,099,950.80 is: 8,422,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,390.39 : 10,961,149.40 = 6,099,950.80 : x
  2. Step 2: Convert to fraction form
    7,938,390.39/10,961,149.40 = 6,099,950.80/x
  3. Step 3: Cross multiply
    7,938,390.39x = 10,961,149.40 × 6,099,950.80
  4. Step 4: Simplify right side
    7,938,390.39x = 66,862,472,051,449.52
  5. Step 5: Solve for x
    x = 66,862,472,051,449.52/7,938,390.39
  6. Step 6: Final answer
    x = 8,422,673.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.