Home / 12,228,112.86-16,874,431.02-7,000,947.60

Finding the Fourth Proportional to 12,228,112.86, 16,874,431.02 and 7,000,947.60

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Solution

The fourth proportional to 12,228,112.86, 16,874,431.02 and 7,000,947.60 is: 9,661,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,112.86 : 16,874,431.02 = 7,000,947.60 : x
  2. Step 2: Convert to fraction form
    12,228,112.86/16,874,431.02 = 7,000,947.60/x
  3. Step 3: Cross multiply
    12,228,112.86x = 16,874,431.02 × 7,000,947.60
  4. Step 4: Simplify right side
    12,228,112.86x = 118,137,007,350,834.55
  5. Step 5: Solve for x
    x = 118,137,007,350,834.55/12,228,112.86
  6. Step 6: Final answer
    x = 9,661,098.87

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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.