Home / 11,389,748.12-15,717,842.16-6,429,233.82

Finding the Fourth Proportional to 11,389,748.12, 15,717,842.16 and 6,429,233.82

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Solution

The fourth proportional to 11,389,748.12, 15,717,842.16 and 6,429,233.82 is: 8,872,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389,748.12 : 15,717,842.16 = 6,429,233.82 : x
  2. Step 2: Convert to fraction form
    11,389,748.12/15,717,842.16 = 6,429,233.82/x
  3. Step 3: Cross multiply
    11,389,748.12x = 15,717,842.16 × 6,429,233.82
  4. Step 4: Simplify right side
    11,389,748.12x = 101,053,682,392,493.86
  5. Step 5: Solve for x
    x = 101,053,682,392,493.86/11,389,748.12
  6. Step 6: Final answer
    x = 8,872,336.89

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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.