Home / 34,165,139.76-47,105,125.16-28,515,343.73

Finding the Fourth Proportional to 34,165,139.76, 47,105,125.16 and 28,515,343.73

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Solution

The fourth proportional to 34,165,139.76, 47,105,125.16 and 28,515,343.73 is: 39,315,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165,139.76 : 47,105,125.16 = 28,515,343.73 : x
  2. Step 2: Convert to fraction form
    34,165,139.76/47,105,125.16 = 28,515,343.73/x
  3. Step 3: Cross multiply
    34,165,139.76x = 47,105,125.16 × 28,515,343.73
  4. Step 4: Simplify right side
    34,165,139.76x = 1,343,218,835,003,969
  5. Step 5: Solve for x
    x = 1,343,218,835,003,969/34,165,139.76
  6. Step 6: Final answer
    x = 39,315,479.01

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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.