Home / 10,642,856.20-15,966,617.10-3,453,166.60

Finding the Fourth Proportional to 10,642,856.20, 15,966,617.10 and 3,453,166.60

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Solution

The fourth proportional to 10,642,856.20, 15,966,617.10 and 3,453,166.60 is: 5,180,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642,856.20 : 15,966,617.10 = 3,453,166.60 : x
  2. Step 2: Convert to fraction form
    10,642,856.20/15,966,617.10 = 3,453,166.60/x
  3. Step 3: Cross multiply
    10,642,856.20x = 15,966,617.10 × 3,453,166.60
  4. Step 4: Simplify right side
    10,642,856.20x = 55,135,388,884,708.86
  5. Step 5: Solve for x
    x = 55,135,388,884,708.86/10,642,856.20
  6. Step 6: Final answer
    x = 5,180,506.80

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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.