Home / 8,440,439.34-12,646,234.50-6,031,978.86

Finding the Fourth Proportional to 8,440,439.34, 12,646,234.50 and 6,031,978.86

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Solution

The fourth proportional to 8,440,439.34, 12,646,234.50 and 6,031,978.86 is: 9,037,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440,439.34 : 12,646,234.50 = 6,031,978.86 : x
  2. Step 2: Convert to fraction form
    8,440,439.34/12,646,234.50 = 6,031,978.86/x
  3. Step 3: Cross multiply
    8,440,439.34x = 12,646,234.50 × 6,031,978.86
  4. Step 4: Simplify right side
    8,440,439.34x = 76,281,819,162,602.67
  5. Step 5: Solve for x
    x = 76,281,819,162,602.67/8,440,439.34
  6. Step 6: Final answer
    x = 9,037,659.78

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1.5x scale

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.