Home / 8,520,135.62-11,758,638-5,082,376.65

Finding the Fourth Proportional to 8,520,135.62, 11,758,638 and 5,082,376.65

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Solution

The fourth proportional to 8,520,135.62, 11,758,638 and 5,082,376.65 is: 7,014,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,135.62 : 11,758,638 = 5,082,376.65 : x
  2. Step 2: Convert to fraction form
    8,520,135.62/11,758,638 = 5,082,376.65/x
  3. Step 3: Cross multiply
    8,520,135.62x = 11,758,638 × 5,082,376.65
  4. Step 4: Simplify right side
    8,520,135.62x = 59,761,827,207,002.70
  5. Step 5: Solve for x
    x = 59,761,827,207,002.70/8,520,135.62
  6. Step 6: Final answer
    x = 7,014,187.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.