Home / 10,378,618.80-15,569,416.86-3,190,756.32

Finding the Fourth Proportional to 10,378,618.80, 15,569,416.86 and 3,190,756.32

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Solution

The fourth proportional to 10,378,618.80, 15,569,416.86 and 3,190,756.32 is: 4,786,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,618.80 : 15,569,416.86 = 3,190,756.32 : x
  2. Step 2: Convert to fraction form
    10,378,618.80/15,569,416.86 = 3,190,756.32/x
  3. Step 3: Cross multiply
    10,378,618.80x = 15,569,416.86 × 3,190,756.32
  4. Step 4: Simplify right side
    10,378,618.80x = 49,678,215,244,759.55
  5. Step 5: Solve for x
    x = 49,678,215,244,759.55/10,378,618.80
  6. Step 6: Final answer
    x = 4,786,592.15

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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.