Home / 8,230,709.80-12,346,064.70-4,829,487.40

Finding the Fourth Proportional to 8,230,709.80, 12,346,064.70 and 4,829,487.40

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Solution

The fourth proportional to 8,230,709.80, 12,346,064.70 and 4,829,487.40 is: 7,244,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,709.80 : 12,346,064.70 = 4,829,487.40 : x
  2. Step 2: Convert to fraction form
    8,230,709.80/12,346,064.70 = 4,829,487.40/x
  3. Step 3: Cross multiply
    8,230,709.80x = 12,346,064.70 × 4,829,487.40
  4. Step 4: Simplify right side
    8,230,709.80x = 59,625,163,908,234.78
  5. Step 5: Solve for x
    x = 59,625,163,908,234.78/8,230,709.80
  6. Step 6: Final answer
    x = 7,244,231.10

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Similar ratio
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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.