Home / 13,889,375.21-20,817,266.66-7,154,115.05

Finding the Fourth Proportional to 13,889,375.21, 20,817,266.66 and 7,154,115.05

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Solution

The fourth proportional to 13,889,375.21, 20,817,266.66 and 7,154,115.05 is: 10,722,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,375.21 : 20,817,266.66 = 7,154,115.05 : x
  2. Step 2: Convert to fraction form
    13,889,375.21/20,817,266.66 = 7,154,115.05/x
  3. Step 3: Cross multiply
    13,889,375.21x = 20,817,266.66 × 7,154,115.05
  4. Step 4: Simplify right side
    13,889,375.21x = 148,929,120,676,398.66
  5. Step 5: Solve for x
    x = 148,929,120,676,398.66/13,889,375.21
  6. Step 6: Final answer
    x = 10,722,521.24

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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.