Home / 7,407,520.76-10,222,775.66-4,144,140.81

Finding the Fourth Proportional to 7,407,520.76, 10,222,775.66 and 4,144,140.81

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Solution

The fourth proportional to 7,407,520.76, 10,222,775.66 and 4,144,140.81 is: 5,719,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,520.76 : 10,222,775.66 = 4,144,140.81 : x
  2. Step 2: Convert to fraction form
    7,407,520.76/10,222,775.66 = 4,144,140.81/x
  3. Step 3: Cross multiply
    7,407,520.76x = 10,222,775.66 × 4,144,140.81
  4. Step 4: Simplify right side
    7,407,520.76x = 42,364,621,783,359.98
  5. Step 5: Solve for x
    x = 42,364,621,783,359.98/7,407,520.76
  6. Step 6: Final answer
    x = 5,719,136.43

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.