Home / 7,253,286.40-10,879,929.60-5,127,522.40

Finding the Fourth Proportional to 7,253,286.40, 10,879,929.60 and 5,127,522.40

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Solution

The fourth proportional to 7,253,286.40, 10,879,929.60 and 5,127,522.40 is: 7,691,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,286.40 : 10,879,929.60 = 5,127,522.40 : x
  2. Step 2: Convert to fraction form
    7,253,286.40/10,879,929.60 = 5,127,522.40/x
  3. Step 3: Cross multiply
    7,253,286.40x = 10,879,929.60 × 5,127,522.40
  4. Step 4: Simplify right side
    7,253,286.40x = 55,787,082,734,423.04
  5. Step 5: Solve for x
    x = 55,787,082,734,423.04/7,253,286.40
  6. Step 6: Final answer
    x = 7,691,283.60

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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.