Home / 12,948,343-19,420,964.28-10,072,583

Finding the Fourth Proportional to 12,948,343, 19,420,964.28 and 10,072,583

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Solution

The fourth proportional to 12,948,343, 19,420,964.28 and 10,072,583 is: 15,107,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,343 : 19,420,964.28 = 10,072,583 : x
  2. Step 2: Convert to fraction form
    12,948,343/19,420,964.28 = 10,072,583/x
  3. Step 3: Cross multiply
    12,948,343x = 19,420,964.28 × 10,072,583
  4. Step 4: Simplify right side
    12,948,343x = 195,619,274,650,335.25
  5. Step 5: Solve for x
    x = 195,619,274,650,335.25/12,948,343
  6. Step 6: Final answer
    x = 15,107,668.58

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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.