Home / 15,037,441.66-20,751,113.81-8,161,776.10

Finding the Fourth Proportional to 15,037,441.66, 20,751,113.81 and 8,161,776.10

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Solution

The fourth proportional to 15,037,441.66, 20,751,113.81 and 8,161,776.10 is: 11,262,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,441.66 : 20,751,113.81 = 8,161,776.10 : x
  2. Step 2: Convert to fraction form
    15,037,441.66/20,751,113.81 = 8,161,776.10/x
  3. Step 3: Cross multiply
    15,037,441.66x = 20,751,113.81 × 8,161,776.10
  4. Step 4: Simplify right side
    15,037,441.66x = 169,365,944,598,273.47
  5. Step 5: Solve for x
    x = 169,365,944,598,273.47/15,037,441.66
  6. Step 6: Final answer
    x = 11,262,949.41

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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.