Home / 12,426,813.27-17,140,168.49-8,294,761.08

Finding the Fourth Proportional to 12,426,813.27, 17,140,168.49 and 8,294,761.08

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Solution

The fourth proportional to 12,426,813.27, 17,140,168.49 and 8,294,761.08 is: 11,440,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,813.27 : 17,140,168.49 = 8,294,761.08 : x
  2. Step 2: Convert to fraction form
    12,426,813.27/17,140,168.49 = 8,294,761.08/x
  3. Step 3: Cross multiply
    12,426,813.27x = 17,140,168.49 × 8,294,761.08
  4. Step 4: Simplify right side
    12,426,813.27x = 142,173,602,454,020.56
  5. Step 5: Solve for x
    x = 142,173,602,454,020.56/12,426,813.27
  6. Step 6: Final answer
    x = 11,440,873.81

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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.