Home / 8,190,000.20-12,285,000.30-6,595,677.20

Finding the Fourth Proportional to 8,190,000.20, 12,285,000.30 and 6,595,677.20

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Solution

The fourth proportional to 8,190,000.20, 12,285,000.30 and 6,595,677.20 is: 9,893,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,000.20 : 12,285,000.30 = 6,595,677.20 : x
  2. Step 2: Convert to fraction form
    8,190,000.20/12,285,000.30 = 6,595,677.20/x
  3. Step 3: Cross multiply
    8,190,000.20x = 12,285,000.30 × 6,595,677.20
  4. Step 4: Simplify right side
    8,190,000.20x = 81,027,896,380,703.17
  5. Step 5: Solve for x
    x = 81,027,896,380,703.17/8,190,000.20
  6. Step 6: Final answer
    x = 9,893,515.80

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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.