Home / 8,421,748.70-12,609,003.45-8,185,552.70

Finding the Fourth Proportional to 8,421,748.70, 12,609,003.45 and 8,185,552.70

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Solution

The fourth proportional to 8,421,748.70, 12,609,003.45 and 8,185,552.70 is: 12,255,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,748.70 : 12,609,003.45 = 8,185,552.70 : x
  2. Step 2: Convert to fraction form
    8,421,748.70/12,609,003.45 = 8,185,552.70/x
  3. Step 3: Cross multiply
    8,421,748.70x = 12,609,003.45 × 8,185,552.70
  4. Step 4: Simplify right side
    8,421,748.70x = 103,211,662,234,456.81
  5. Step 5: Solve for x
    x = 103,211,662,234,456.81/8,421,748.70
  6. Step 6: Final answer
    x = 12,255,371.88

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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.