Home / 10,515,371.40-15,773,057.10-5,980,408.20

Finding the Fourth Proportional to 10,515,371.40, 15,773,057.10 and 5,980,408.20

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Solution

The fourth proportional to 10,515,371.40, 15,773,057.10 and 5,980,408.20 is: 8,970,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,371.40 : 15,773,057.10 = 5,980,408.20 : x
  2. Step 2: Convert to fraction form
    10,515,371.40/15,773,057.10 = 5,980,408.20/x
  3. Step 3: Cross multiply
    10,515,371.40x = 15,773,057.10 × 5,980,408.20
  4. Step 4: Simplify right side
    10,515,371.40x = 94,329,320,019,908.22
  5. Step 5: Solve for x
    x = 94,329,320,019,908.22/10,515,371.40
  6. Step 6: Final answer
    x = 8,970,612.30

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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.