Home / 12,641,540.94-17,445,270.51-6,840,425.43

Finding the Fourth Proportional to 12,641,540.94, 17,445,270.51 and 6,840,425.43

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Solution

The fourth proportional to 12,641,540.94, 17,445,270.51 and 6,840,425.43 is: 9,439,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641,540.94 : 17,445,270.51 = 6,840,425.43 : x
  2. Step 2: Convert to fraction form
    12,641,540.94/17,445,270.51 = 6,840,425.43/x
  3. Step 3: Cross multiply
    12,641,540.94x = 17,445,270.51 × 6,840,425.43
  4. Step 4: Simplify right side
    12,641,540.94x = 119,333,072,029,833.08
  5. Step 5: Solve for x
    x = 119,333,072,029,833.08/12,641,540.94
  6. Step 6: Final answer
    x = 9,439,756.80

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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.