Home / 20,444,129.20-30,640,144.20-10,864,097.20

Finding the Fourth Proportional to 20,444,129.20, 30,640,144.20 and 10,864,097.20

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Solution

The fourth proportional to 20,444,129.20, 30,640,144.20 and 10,864,097.20 is: 16,282,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444,129.20 : 30,640,144.20 = 10,864,097.20 : x
  2. Step 2: Convert to fraction form
    20,444,129.20/30,640,144.20 = 10,864,097.20/x
  3. Step 3: Cross multiply
    20,444,129.20x = 30,640,144.20 × 10,864,097.20
  4. Step 4: Simplify right side
    20,444,129.20x = 332,877,504,810,816.19
  5. Step 5: Solve for x
    x = 332,877,504,810,816.19/20,444,129.20
  6. Step 6: Final answer
    x = 16,282,302.93

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1.5x scale

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.