Home / 8,317,113.80-12,475,670.70-5,111,846.60

Finding the Fourth Proportional to 8,317,113.80, 12,475,670.70 and 5,111,846.60

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Solution

The fourth proportional to 8,317,113.80, 12,475,670.70 and 5,111,846.60 is: 7,667,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,113.80 : 12,475,670.70 = 5,111,846.60 : x
  2. Step 2: Convert to fraction form
    8,317,113.80/12,475,670.70 = 5,111,846.60/x
  3. Step 3: Cross multiply
    8,317,113.80x = 12,475,670.70 × 5,111,846.60
  4. Step 4: Simplify right side
    8,317,113.80x = 63,773,714,850,514.61
  5. Step 5: Solve for x
    x = 63,773,714,850,514.61/8,317,113.80
  6. Step 6: Final answer
    x = 7,667,769.90

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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.