Home / 15,443,920.32-21,312,326.40-8,568,254.76

Finding the Fourth Proportional to 15,443,920.32, 21,312,326.40 and 8,568,254.76

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Solution

The fourth proportional to 15,443,920.32, 21,312,326.40 and 8,568,254.76 is: 11,824,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443,920.32 : 21,312,326.40 = 8,568,254.76 : x
  2. Step 2: Convert to fraction form
    15,443,920.32/21,312,326.40 = 8,568,254.76/x
  3. Step 3: Cross multiply
    15,443,920.32x = 21,312,326.40 × 8,568,254.76
  4. Step 4: Simplify right side
    15,443,920.32x = 182,609,442,123,473.66
  5. Step 5: Solve for x
    x = 182,609,442,123,473.66/15,443,920.32
  6. Step 6: Final answer
    x = 11,824,034.21

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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.