Home / 8,748,003.70-13,122,005.55-8,511,807.70

Finding the Fourth Proportional to 8,748,003.70, 13,122,005.55 and 8,511,807.70

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Solution

The fourth proportional to 8,748,003.70, 13,122,005.55 and 8,511,807.70 is: 12,767,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,003.70 : 13,122,005.55 = 8,511,807.70 : x
  2. Step 2: Convert to fraction form
    8,748,003.70/13,122,005.55 = 8,511,807.70/x
  3. Step 3: Cross multiply
    8,748,003.70x = 13,122,005.55 × 8,511,807.70
  4. Step 4: Simplify right side
    8,748,003.70x = 111,691,987,879,932.73
  5. Step 5: Solve for x
    x = 111,691,987,879,932.73/8,748,003.70
  6. Step 6: Final answer
    x = 12,767,711.55

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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.