Home / 5,390,335.20-8,085,502.80-5,177,758.80

Finding the Fourth Proportional to 5,390,335.20, 8,085,502.80 and 5,177,758.80

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Solution

The fourth proportional to 5,390,335.20, 8,085,502.80 and 5,177,758.80 is: 7,766,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,335.20 : 8,085,502.80 = 5,177,758.80 : x
  2. Step 2: Convert to fraction form
    5,390,335.20/8,085,502.80 = 5,177,758.80/x
  3. Step 3: Cross multiply
    5,390,335.20x = 8,085,502.80 × 5,177,758.80
  4. Step 4: Simplify right side
    5,390,335.20x = 41,864,783,275,124.64
  5. Step 5: Solve for x
    x = 41,864,783,275,124.64/5,390,335.20
  6. Step 6: Final answer
    x = 7,766,638.20

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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.