Home / 7,789,909.50-10,750,110.78-4,257,778.92

Finding the Fourth Proportional to 7,789,909.50, 10,750,110.78 and 4,257,778.92

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Solution

The fourth proportional to 7,789,909.50, 10,750,110.78 and 4,257,778.92 is: 5,875,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789,909.50 : 10,750,110.78 = 4,257,778.92 : x
  2. Step 2: Convert to fraction form
    7,789,909.50/10,750,110.78 = 4,257,778.92/x
  3. Step 3: Cross multiply
    7,789,909.50x = 10,750,110.78 × 4,257,778.92
  4. Step 4: Simplify right side
    7,789,909.50x = 45,771,595,066,748.76
  5. Step 5: Solve for x
    x = 45,771,595,066,748.76/7,789,909.50
  6. Step 6: Final answer
    x = 5,875,754.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.