Home / 31,788,959.18-43,856,244.35-18,368,756.86

Finding the Fourth Proportional to 31,788,959.18, 43,856,244.35 and 18,368,756.86

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Solution

The fourth proportional to 31,788,959.18, 43,856,244.35 and 18,368,756.86 is: 25,341,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788,959.18 : 43,856,244.35 = 18,368,756.86 : x
  2. Step 2: Convert to fraction form
    31,788,959.18/43,856,244.35 = 18,368,756.86/x
  3. Step 3: Cross multiply
    31,788,959.18x = 43,856,244.35 × 18,368,756.86
  4. Step 4: Simplify right side
    31,788,959.18x = 805,584,689,353,799
  5. Step 5: Solve for x
    x = 805,584,689,353,799/31,788,959.18
  6. Step 6: Final answer
    x = 25,341,650.37

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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.