Home / 20,219,867.80-30,329,801.70-5,843,404.60

Finding the Fourth Proportional to 20,219,867.80, 30,329,801.70 and 5,843,404.60

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Solution

The fourth proportional to 20,219,867.80, 30,329,801.70 and 5,843,404.60 is: 8,765,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,867.80 : 30,329,801.70 = 5,843,404.60 : x
  2. Step 2: Convert to fraction form
    20,219,867.80/30,329,801.70 = 5,843,404.60/x
  3. Step 3: Cross multiply
    20,219,867.80x = 30,329,801.70 × 5,843,404.60
  4. Step 4: Simplify right side
    20,219,867.80x = 177,229,302,770,867.81
  5. Step 5: Solve for x
    x = 177,229,302,770,867.81/20,219,867.80
  6. Step 6: Final answer
    x = 8,765,106.90

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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.