Home / 20,144,806.30-30,217,209.45-6,681,634.30

Finding the Fourth Proportional to 20,144,806.30, 30,217,209.45 and 6,681,634.30

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Solution

The fourth proportional to 20,144,806.30, 30,217,209.45 and 6,681,634.30 is: 10,022,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,806.30 : 30,217,209.45 = 6,681,634.30 : x
  2. Step 2: Convert to fraction form
    20,144,806.30/30,217,209.45 = 6,681,634.30/x
  3. Step 3: Cross multiply
    20,144,806.30x = 30,217,209.45 × 6,681,634.30
  4. Step 4: Simplify right side
    20,144,806.30x = 201,900,343,111,404.12
  5. Step 5: Solve for x
    x = 201,900,343,111,404.12/20,144,806.30
  6. Step 6: Final answer
    x = 10,022,451.45

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Double scale
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Similar ratio
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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.