Home / 12,306,008.70-18,459,013.05-7,267,160.70

Finding the Fourth Proportional to 12,306,008.70, 18,459,013.05 and 7,267,160.70

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Solution

The fourth proportional to 12,306,008.70, 18,459,013.05 and 7,267,160.70 is: 10,900,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306,008.70 : 18,459,013.05 = 7,267,160.70 : x
  2. Step 2: Convert to fraction form
    12,306,008.70/18,459,013.05 = 7,267,160.70/x
  3. Step 3: Cross multiply
    12,306,008.70x = 18,459,013.05 × 7,267,160.70
  4. Step 4: Simplify right side
    12,306,008.70x = 134,144,614,197,747.14
  5. Step 5: Solve for x
    x = 134,144,614,197,747.14/12,306,008.70
  6. Step 6: Final answer
    x = 10,900,741.05

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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.