Home / 13,891,397.49-20,829,019.55-5,256,163.91

Finding the Fourth Proportional to 13,891,397.49, 20,829,019.55 and 5,256,163.91

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Solution

The fourth proportional to 13,891,397.49, 20,829,019.55 and 5,256,163.91 is: 7,881,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,397.49 : 20,829,019.55 = 5,256,163.91 : x
  2. Step 2: Convert to fraction form
    13,891,397.49/20,829,019.55 = 5,256,163.91/x
  3. Step 3: Cross multiply
    13,891,397.49x = 20,829,019.55 × 5,256,163.91
  4. Step 4: Simplify right side
    13,891,397.49x = 109,480,740,839,394.45
  5. Step 5: Solve for x
    x = 109,480,740,839,394.45/13,891,397.49
  6. Step 6: Final answer
    x = 7,881,189.85

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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.