Home / 12,256,961.12-16,916,445.23-9,311,931.96

Finding the Fourth Proportional to 12,256,961.12, 16,916,445.23 and 9,311,931.96

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Solution

The fourth proportional to 12,256,961.12, 16,916,445.23 and 9,311,931.96 is: 12,851,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,961.12 : 16,916,445.23 = 9,311,931.96 : x
  2. Step 2: Convert to fraction form
    12,256,961.12/16,916,445.23 = 9,311,931.96/x
  3. Step 3: Cross multiply
    12,256,961.12x = 16,916,445.23 × 9,311,931.96
  4. Step 4: Simplify right side
    12,256,961.12x = 157,524,787,010,106.41
  5. Step 5: Solve for x
    x = 157,524,787,010,106.41/12,256,961.12
  6. Step 6: Final answer
    x = 12,851,863.15

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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.