Home / 23,165,865.29-31,968,806.34-12,712,056.52

Finding the Fourth Proportional to 23,165,865.29, 31,968,806.34 and 12,712,056.52

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Solution

The fourth proportional to 23,165,865.29, 31,968,806.34 and 12,712,056.52 is: 17,542,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165,865.29 : 31,968,806.34 = 12,712,056.52 : x
  2. Step 2: Convert to fraction form
    23,165,865.29/31,968,806.34 = 12,712,056.52/x
  3. Step 3: Cross multiply
    23,165,865.29x = 31,968,806.34 × 12,712,056.52
  4. Step 4: Simplify right side
    23,165,865.29x = 406,389,273,027,198.75
  5. Step 5: Solve for x
    x = 406,389,273,027,198.75/23,165,865.29
  6. Step 6: Final answer
    x = 17,542,589.84

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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.