Home / 13,645,705.68-18,828,851.09-8,063,175.38

Finding the Fourth Proportional to 13,645,705.68, 18,828,851.09 and 8,063,175.38

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Solution

The fourth proportional to 13,645,705.68, 18,828,851.09 and 8,063,175.38 is: 11,125,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,705.68 : 18,828,851.09 = 8,063,175.38 : x
  2. Step 2: Convert to fraction form
    13,645,705.68/18,828,851.09 = 8,063,175.38/x
  3. Step 3: Cross multiply
    13,645,705.68x = 18,828,851.09 × 8,063,175.38
  4. Step 4: Simplify right side
    13,645,705.68x = 151,820,328,408,114.03
  5. Step 5: Solve for x
    x = 151,820,328,408,114.03/13,645,705.68
  6. Step 6: Final answer
    x = 11,125,868.60

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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.