Home / 12,687,615.46-17,508,440.23-6,886,272.64

Finding the Fourth Proportional to 12,687,615.46, 17,508,440.23 and 6,886,272.64

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Solution

The fourth proportional to 12,687,615.46, 17,508,440.23 and 6,886,272.64 is: 9,502,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,615.46 : 17,508,440.23 = 6,886,272.64 : x
  2. Step 2: Convert to fraction form
    12,687,615.46/17,508,440.23 = 6,886,272.64/x
  3. Step 3: Cross multiply
    12,687,615.46x = 17,508,440.23 × 6,886,272.64
  4. Step 4: Simplify right side
    12,687,615.46x = 120,567,892,924,924.30
  5. Step 5: Solve for x
    x = 120,567,892,924,924.30/12,687,615.46
  6. Step 6: Final answer
    x = 9,502,801.63

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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.