Home / 20,694,844.50-31,047,074.78-7,048,109.40

Finding the Fourth Proportional to 20,694,844.50, 31,047,074.78 and 7,048,109.40

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Solution

The fourth proportional to 20,694,844.50, 31,047,074.78 and 7,048,109.40 is: 10,573,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,844.50 : 31,047,074.78 = 7,048,109.40 : x
  2. Step 2: Convert to fraction form
    20,694,844.50/31,047,074.78 = 7,048,109.40/x
  3. Step 3: Cross multiply
    20,694,844.50x = 31,047,074.78 × 7,048,109.40
  4. Step 4: Simplify right side
    20,694,844.50x = 218,823,179,564,180.38
  5. Step 5: Solve for x
    x = 218,823,179,564,180.38/20,694,844.50
  6. Step 6: Final answer
    x = 10,573,801.58

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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.