Home / 12,948,342-19,420,962.78-10,072,582

Finding the Fourth Proportional to 12,948,342, 19,420,962.78 and 10,072,582

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Solution

The fourth proportional to 12,948,342, 19,420,962.78 and 10,072,582 is: 15,107,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,342 : 19,420,962.78 = 10,072,582 : x
  2. Step 2: Convert to fraction form
    12,948,342/19,420,962.78 = 10,072,582/x
  3. Step 3: Cross multiply
    12,948,342x = 19,420,962.78 × 10,072,582
  4. Step 4: Simplify right side
    12,948,342x = 195,619,240,120,497.97
  5. Step 5: Solve for x
    x = 195,619,240,120,497.97/12,948,342
  6. Step 6: Final answer
    x = 15,107,667.08

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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.