Home / 8,902,289.20-13,353,433.80-8,078,555.65

Finding the Fourth Proportional to 8,902,289.20, 13,353,433.80 and 8,078,555.65

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Solution

The fourth proportional to 8,902,289.20, 13,353,433.80 and 8,078,555.65 is: 12,117,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,289.20 : 13,353,433.80 = 8,078,555.65 : x
  2. Step 2: Convert to fraction form
    8,902,289.20/13,353,433.80 = 8,078,555.65/x
  3. Step 3: Cross multiply
    8,902,289.20x = 13,353,433.80 × 8,078,555.65
  4. Step 4: Simplify right side
    8,902,289.20x = 107,876,458,071,890.98
  5. Step 5: Solve for x
    x = 107,876,458,071,890.98/8,902,289.20
  6. Step 6: Final answer
    x = 12,117,833.48

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Double scale
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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.