Home / 7,208,576.40-10,812,864.60-4,521,190.80

Finding the Fourth Proportional to 7,208,576.40, 10,812,864.60 and 4,521,190.80

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Solution

The fourth proportional to 7,208,576.40, 10,812,864.60 and 4,521,190.80 is: 6,781,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,576.40 : 10,812,864.60 = 4,521,190.80 : x
  2. Step 2: Convert to fraction form
    7,208,576.40/10,812,864.60 = 4,521,190.80/x
  3. Step 3: Cross multiply
    7,208,576.40x = 10,812,864.60 × 4,521,190.80
  4. Step 4: Simplify right side
    7,208,576.40x = 48,887,023,951,165.68
  5. Step 5: Solve for x
    x = 48,887,023,951,165.68/7,208,576.40
  6. Step 6: Final answer
    x = 6,781,786.20

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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.