Home / 11,565,691.22-15,960,748.35-6,409,138.86

Finding the Fourth Proportional to 11,565,691.22, 15,960,748.35 and 6,409,138.86

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Solution

The fourth proportional to 11,565,691.22, 15,960,748.35 and 6,409,138.86 is: 8,844,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565,691.22 : 15,960,748.35 = 6,409,138.86 : x
  2. Step 2: Convert to fraction form
    11,565,691.22/15,960,748.35 = 6,409,138.86/x
  3. Step 3: Cross multiply
    11,565,691.22x = 15,960,748.35 × 6,409,138.86
  4. Step 4: Simplify right side
    11,565,691.22x = 102,294,652,484,665.89
  5. Step 5: Solve for x
    x = 102,294,652,484,665.89/11,565,691.22
  6. Step 6: Final answer
    x = 8,844,663.98

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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.