Home / 7,202,931.20-9,940,902.72-4,147,740.80

Finding the Fourth Proportional to 7,202,931.20, 9,940,902.72 and 4,147,740.80

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Solution

The fourth proportional to 7,202,931.20, 9,940,902.72 and 4,147,740.80 is: 5,724,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,931.20 : 9,940,902.72 = 4,147,740.80 : x
  2. Step 2: Convert to fraction form
    7,202,931.20/9,940,902.72 = 4,147,740.80/x
  3. Step 3: Cross multiply
    7,202,931.20x = 9,940,902.72 × 4,147,740.80
  4. Step 4: Simplify right side
    7,202,931.20x = 41,232,287,800,574.98
  5. Step 5: Solve for x
    x = 41,232,287,800,574.98/7,202,931.20
  6. Step 6: Final answer
    x = 5,724,376.18

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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.