Home / 8,338,742.78-12,510,269.73-4,883,399.65

Finding the Fourth Proportional to 8,338,742.78, 12,510,269.73 and 4,883,399.65

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Solution

The fourth proportional to 8,338,742.78, 12,510,269.73 and 4,883,399.65 is: 7,326,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,742.78 : 12,510,269.73 = 4,883,399.65 : x
  2. Step 2: Convert to fraction form
    8,338,742.78/12,510,269.73 = 4,883,399.65/x
  3. Step 3: Cross multiply
    8,338,742.78x = 12,510,269.73 × 4,883,399.65
  4. Step 4: Simplify right side
    8,338,742.78x = 61,092,646,820,887.60
  5. Step 5: Solve for x
    x = 61,092,646,820,887.60/8,338,742.78
  6. Step 6: Final answer
    x = 7,326,361.83

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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.