Home / 10,657,266.70-15,985,900.05-7,465,996.30

Finding the Fourth Proportional to 10,657,266.70, 15,985,900.05 and 7,465,996.30

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Solution

The fourth proportional to 10,657,266.70, 15,985,900.05 and 7,465,996.30 is: 11,198,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,266.70 : 15,985,900.05 = 7,465,996.30 : x
  2. Step 2: Convert to fraction form
    10,657,266.70/15,985,900.05 = 7,465,996.30/x
  3. Step 3: Cross multiply
    10,657,266.70x = 15,985,900.05 × 7,465,996.30
  4. Step 4: Simplify right side
    10,657,266.70x = 119,350,670,625,469.81
  5. Step 5: Solve for x
    x = 119,350,670,625,469.81/10,657,266.70
  6. Step 6: Final answer
    x = 11,198,994.45

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Double scale
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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.