Home / 10,214,114.70-15,321,172.05-5,175,266.70

Finding the Fourth Proportional to 10,214,114.70, 15,321,172.05 and 5,175,266.70

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Solution

The fourth proportional to 10,214,114.70, 15,321,172.05 and 5,175,266.70 is: 7,762,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214,114.70 : 15,321,172.05 = 5,175,266.70 : x
  2. Step 2: Convert to fraction form
    10,214,114.70/15,321,172.05 = 5,175,266.70/x
  3. Step 3: Cross multiply
    10,214,114.70x = 15,321,172.05 × 5,175,266.70
  4. Step 4: Simplify right side
    10,214,114.70x = 79,291,151,515,335.73
  5. Step 5: Solve for x
    x = 79,291,151,515,335.73/10,214,114.70
  6. Step 6: Final answer
    x = 7,762,900.05

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Similar ratio
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1.5x scale

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.