Home / 10,667,389.20-15,988,642.20-4,274,480.40

Finding the Fourth Proportional to 10,667,389.20, 15,988,642.20 and 4,274,480.40

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Solution

The fourth proportional to 10,667,389.20, 15,988,642.20 and 4,274,480.40 is: 6,406,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667,389.20 : 15,988,642.20 = 4,274,480.40 : x
  2. Step 2: Convert to fraction form
    10,667,389.20/15,988,642.20 = 4,274,480.40/x
  3. Step 3: Cross multiply
    10,667,389.20x = 15,988,642.20 × 4,274,480.40
  4. Step 4: Simplify right side
    10,667,389.20x = 68,343,137,706,512.88
  5. Step 5: Solve for x
    x = 68,343,137,706,512.88/10,667,389.20
  6. Step 6: Final answer
    x = 6,406,735.18

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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.