Home / 13,667,191.14-18,865,473.44-7,868,284.10

Finding the Fourth Proportional to 13,667,191.14, 18,865,473.44 and 7,868,284.10

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Solution

The fourth proportional to 13,667,191.14, 18,865,473.44 and 7,868,284.10 is: 10,860,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,191.14 : 18,865,473.44 = 7,868,284.10 : x
  2. Step 2: Convert to fraction form
    13,667,191.14/18,865,473.44 = 7,868,284.10/x
  3. Step 3: Cross multiply
    13,667,191.14x = 18,865,473.44 × 7,868,284.10
  4. Step 4: Simplify right side
    13,667,191.14x = 148,438,904,706,924.31
  5. Step 5: Solve for x
    x = 148,438,904,706,924.31/13,667,191.14
  6. Step 6: Final answer
    x = 10,860,966.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.