Home / 8,353,423.19-12,530,144.78-2,288,207.21

Finding the Fourth Proportional to 8,353,423.19, 12,530,144.78 and 2,288,207.21

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Solution

The fourth proportional to 8,353,423.19, 12,530,144.78 and 2,288,207.21 is: 3,432,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,423.19 : 12,530,144.78 = 2,288,207.21 : x
  2. Step 2: Convert to fraction form
    8,353,423.19/12,530,144.78 = 2,288,207.21/x
  3. Step 3: Cross multiply
    8,353,423.19x = 12,530,144.78 × 2,288,207.21
  4. Step 4: Simplify right side
    8,353,423.19x = 28,671,567,664,985.75
  5. Step 5: Solve for x
    x = 28,671,567,664,985.75/8,353,423.19
  6. Step 6: Final answer
    x = 3,432,313.56

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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.