Home / 13,729,006.56-18,943,069.05-7,924,425.06

Finding the Fourth Proportional to 13,729,006.56, 18,943,069.05 and 7,924,425.06

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Solution

The fourth proportional to 13,729,006.56, 18,943,069.05 and 7,924,425.06 is: 10,933,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,006.56 : 18,943,069.05 = 7,924,425.06 : x
  2. Step 2: Convert to fraction form
    13,729,006.56/18,943,069.05 = 7,924,425.06/x
  3. Step 3: Cross multiply
    13,729,006.56x = 18,943,069.05 × 7,924,425.06
  4. Step 4: Simplify right side
    13,729,006.56x = 150,112,931,093,130.41
  5. Step 5: Solve for x
    x = 150,112,931,093,130.41/13,729,006.56
  6. Step 6: Final answer
    x = 10,933,998.06

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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.