Home / 20,144,805.30-30,217,207.95-6,681,633.30

Finding the Fourth Proportional to 20,144,805.30, 30,217,207.95 and 6,681,633.30

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Solution

The fourth proportional to 20,144,805.30, 30,217,207.95 and 6,681,633.30 is: 10,022,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,805.30 : 30,217,207.95 = 6,681,633.30 : x
  2. Step 2: Convert to fraction form
    20,144,805.30/30,217,207.95 = 6,681,633.30/x
  3. Step 3: Cross multiply
    20,144,805.30x = 30,217,207.95 × 6,681,633.30
  4. Step 4: Simplify right side
    20,144,805.30x = 201,900,302,871,744.72
  5. Step 5: Solve for x
    x = 201,900,302,871,744.72/20,144,805.30
  6. Step 6: Final answer
    x = 10,022,449.95

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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.