Home / 18,855,677.39-28,271,940.98-7,327,684.35

Finding the Fourth Proportional to 18,855,677.39, 28,271,940.98 and 7,327,684.35

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Solution

The fourth proportional to 18,855,677.39, 28,271,940.98 and 7,327,684.35 is: 10,987,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855,677.39 : 28,271,940.98 = 7,327,684.35 : x
  2. Step 2: Convert to fraction form
    18,855,677.39/28,271,940.98 = 7,327,684.35/x
  3. Step 3: Cross multiply
    18,855,677.39x = 28,271,940.98 × 7,327,684.35
  4. Step 4: Simplify right side
    18,855,677.39x = 207,167,859,426,631.25
  5. Step 5: Solve for x
    x = 207,167,859,426,631.25/18,855,677.39
  6. Step 6: Final answer
    x = 10,987,028.21

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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.