Home / 8,224,910.20-12,337,365.30-7,988,714.20

Finding the Fourth Proportional to 8,224,910.20, 12,337,365.30 and 7,988,714.20

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Solution

The fourth proportional to 8,224,910.20, 12,337,365.30 and 7,988,714.20 is: 11,983,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224,910.20 : 12,337,365.30 = 7,988,714.20 : x
  2. Step 2: Convert to fraction form
    8,224,910.20/12,337,365.30 = 7,988,714.20/x
  3. Step 3: Cross multiply
    8,224,910.20x = 12,337,365.30 × 7,988,714.20
  4. Step 4: Simplify right side
    8,224,910.20x = 98,559,685,362,697.27
  5. Step 5: Solve for x
    x = 98,559,685,362,697.27/8,224,910.20
  6. Step 6: Final answer
    x = 11,983,071.30

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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.