Home / 7,381,409.70-11,072,114.55-7,062,545.10

Finding the Fourth Proportional to 7,381,409.70, 11,072,114.55 and 7,062,545.10

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Solution

The fourth proportional to 7,381,409.70, 11,072,114.55 and 7,062,545.10 is: 10,593,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,409.70 : 11,072,114.55 = 7,062,545.10 : x
  2. Step 2: Convert to fraction form
    7,381,409.70/11,072,114.55 = 7,062,545.10/x
  3. Step 3: Cross multiply
    7,381,409.70x = 11,072,114.55 × 7,062,545.10
  4. Step 4: Simplify right side
    7,381,409.70x = 78,197,308,361,741.20
  5. Step 5: Solve for x
    x = 78,197,308,361,741.20/7,381,409.70
  6. Step 6: Final answer
    x = 10,593,817.65

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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.