Home / 7,255,786.60-10,883,679.90-2,645,118.78

Finding the Fourth Proportional to 7,255,786.60, 10,883,679.90 and 2,645,118.78

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Solution

The fourth proportional to 7,255,786.60, 10,883,679.90 and 2,645,118.78 is: 3,967,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,786.60 : 10,883,679.90 = 2,645,118.78 : x
  2. Step 2: Convert to fraction form
    7,255,786.60/10,883,679.90 = 2,645,118.78/x
  3. Step 3: Cross multiply
    7,255,786.60x = 10,883,679.90 × 2,645,118.78
  4. Step 4: Simplify right side
    7,255,786.60x = 28,788,626,098,998.52
  5. Step 5: Solve for x
    x = 28,788,626,098,998.52/7,255,786.60
  6. Step 6: Final answer
    x = 3,967,678.17

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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.