Home / 20,336,029.56-30,504,019.86-5,189,962.68

Finding the Fourth Proportional to 20,336,029.56, 30,504,019.86 and 5,189,962.68

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Solution

The fourth proportional to 20,336,029.56, 30,504,019.86 and 5,189,962.68 is: 7,784,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,029.56 : 30,504,019.86 = 5,189,962.68 : x
  2. Step 2: Convert to fraction form
    20,336,029.56/30,504,019.86 = 5,189,962.68/x
  3. Step 3: Cross multiply
    20,336,029.56x = 30,504,019.86 × 5,189,962.68
  4. Step 4: Simplify right side
    20,336,029.56x = 158,314,724,663,378.81
  5. Step 5: Solve for x
    x = 158,314,724,663,378.81/20,336,029.56
  6. Step 6: Final answer
    x = 7,784,937.77

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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.