Home / 15,037,025.23-20,751,110.18-8,161,508.71

Finding the Fourth Proportional to 15,037,025.23, 20,751,110.18 and 8,161,508.71

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Solution

The fourth proportional to 15,037,025.23, 20,751,110.18 and 8,161,508.71 is: 11,262,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,025.23 : 20,751,110.18 = 8,161,508.71 : x
  2. Step 2: Convert to fraction form
    15,037,025.23/20,751,110.18 = 8,161,508.71/x
  3. Step 3: Cross multiply
    15,037,025.23x = 20,751,110.18 × 8,161,508.71
  4. Step 4: Simplify right side
    15,037,025.23x = 169,360,366,476,239.66
  5. Step 5: Solve for x
    x = 169,360,366,476,239.66/15,037,025.23
  6. Step 6: Final answer
    x = 11,262,890.36

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1.5x scale

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.