Home / 15,037,130.26-20,751,187.44-8,161,612.30

Finding the Fourth Proportional to 15,037,130.26, 20,751,187.44 and 8,161,612.30

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Solution

The fourth proportional to 15,037,130.26, 20,751,187.44 and 8,161,612.30 is: 11,262,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,130.26 : 20,751,187.44 = 8,161,612.30 : x
  2. Step 2: Convert to fraction form
    15,037,130.26/20,751,187.44 = 8,161,612.30/x
  3. Step 3: Cross multiply
    15,037,130.26x = 20,751,187.44 × 8,161,612.30
  4. Step 4: Simplify right side
    15,037,130.26x = 169,363,146,649,909.53
  5. Step 5: Solve for x
    x = 169,363,146,649,909.53/15,037,130.26
  6. Step 6: Final answer
    x = 11,262,996.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.