Home / 8,501,769.72-12,750,320.16-5,087,370.24

Finding the Fourth Proportional to 8,501,769.72, 12,750,320.16 and 5,087,370.24

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Solution

The fourth proportional to 8,501,769.72, 12,750,320.16 and 5,087,370.24 is: 7,629,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,769.72 : 12,750,320.16 = 5,087,370.24 : x
  2. Step 2: Convert to fraction form
    8,501,769.72/12,750,320.16 = 5,087,370.24/x
  3. Step 3: Cross multiply
    8,501,769.72x = 12,750,320.16 × 5,087,370.24
  4. Step 4: Simplify right side
    8,501,769.72x = 64,865,599,332,456.04
  5. Step 5: Solve for x
    x = 64,865,599,332,456.04/8,501,769.72
  6. Step 6: Final answer
    x = 7,629,658.47

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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.