Home / 15,037,026.23-20,751,111.56-8,161,509.71

Finding the Fourth Proportional to 15,037,026.23, 20,751,111.56 and 8,161,509.71

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Solution

The fourth proportional to 15,037,026.23, 20,751,111.56 and 8,161,509.71 is: 11,262,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,026.23 : 20,751,111.56 = 8,161,509.71 : x
  2. Step 2: Convert to fraction form
    15,037,026.23/20,751,111.56 = 8,161,509.71/x
  3. Step 3: Cross multiply
    15,037,026.23x = 20,751,111.56 × 8,161,509.71
  4. Step 4: Simplify right side
    15,037,026.23x = 169,360,398,490,233.25
  5. Step 5: Solve for x
    x = 169,360,398,490,233.25/15,037,026.23
  6. Step 6: Final answer
    x = 11,262,891.74

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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.