Home / 12,265,064.55-18,397,596.83-8,438,689.35

Finding the Fourth Proportional to 12,265,064.55, 18,397,596.83 and 8,438,689.35

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Solution

The fourth proportional to 12,265,064.55, 18,397,596.83 and 8,438,689.35 is: 12,658,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,064.55 : 18,397,596.83 = 8,438,689.35 : x
  2. Step 2: Convert to fraction form
    12,265,064.55/18,397,596.83 = 8,438,689.35/x
  3. Step 3: Cross multiply
    12,265,064.55x = 18,397,596.83 × 8,438,689.35
  4. Step 4: Simplify right side
    12,265,064.55x = 155,251,604,392,721.31
  5. Step 5: Solve for x
    x = 155,251,604,392,721.31/12,265,064.55
  6. Step 6: Final answer
    x = 12,658,034.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.