Home / 12,426,857.39-17,140,229.37-8,294,805.20

Finding the Fourth Proportional to 12,426,857.39, 17,140,229.37 and 8,294,805.20

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Solution

The fourth proportional to 12,426,857.39, 17,140,229.37 and 8,294,805.20 is: 11,440,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,857.39 : 17,140,229.37 = 8,294,805.20 : x
  2. Step 2: Convert to fraction form
    12,426,857.39/17,140,229.37 = 8,294,805.20/x
  3. Step 3: Cross multiply
    12,426,857.39x = 17,140,229.37 × 8,294,805.20
  4. Step 4: Simplify right side
    12,426,857.39x = 142,174,863,750,319.31
  5. Step 5: Solve for x
    x = 142,174,863,750,319.31/12,426,857.39
  6. Step 6: Final answer
    x = 11,440,934.68

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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.