Home / 7,212,000.10-10,818,000.15-7,162,233.70

Finding the Fourth Proportional to 7,212,000.10, 10,818,000.15 and 7,162,233.70

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Solution

The fourth proportional to 7,212,000.10, 10,818,000.15 and 7,162,233.70 is: 10,743,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,000.10 : 10,818,000.15 = 7,162,233.70 : x
  2. Step 2: Convert to fraction form
    7,212,000.10/10,818,000.15 = 7,162,233.70/x
  3. Step 3: Cross multiply
    7,212,000.10x = 10,818,000.15 × 7,162,233.70
  4. Step 4: Simplify right side
    7,212,000.10x = 77,481,045,240,935.06
  5. Step 5: Solve for x
    x = 77,481,045,240,935.06/7,212,000.10
  6. Step 6: Final answer
    x = 10,743,350.55

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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.