Home / 7,152,082.60-10,728,123.90-1,760,690.20

Finding the Fourth Proportional to 7,152,082.60, 10,728,123.90 and 1,760,690.20

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Solution

The fourth proportional to 7,152,082.60, 10,728,123.90 and 1,760,690.20 is: 2,641,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,082.60 : 10,728,123.90 = 1,760,690.20 : x
  2. Step 2: Convert to fraction form
    7,152,082.60/10,728,123.90 = 1,760,690.20/x
  3. Step 3: Cross multiply
    7,152,082.60x = 10,728,123.90 × 1,760,690.20
  4. Step 4: Simplify right side
    7,152,082.60x = 18,888,902,615,115.78
  5. Step 5: Solve for x
    x = 18,888,902,615,115.78/7,152,082.60
  6. Step 6: Final answer
    x = 2,641,035.30

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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.