Home / 12,306,010.20-18,459,015.30-7,267,162.20

Finding the Fourth Proportional to 12,306,010.20, 18,459,015.30 and 7,267,162.20

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Solution

The fourth proportional to 12,306,010.20, 18,459,015.30 and 7,267,162.20 is: 10,900,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306,010.20 : 18,459,015.30 = 7,267,162.20 : x
  2. Step 2: Convert to fraction form
    12,306,010.20/18,459,015.30 = 7,267,162.20/x
  3. Step 3: Cross multiply
    12,306,010.20x = 18,459,015.30 × 7,267,162.20
  4. Step 4: Simplify right side
    12,306,010.20x = 134,144,658,237,381.67
  5. Step 5: Solve for x
    x = 134,144,658,237,381.67/12,306,010.20
  6. Step 6: Final answer
    x = 10,900,743.30

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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.