Home / 9,135,390.12-13,703,715.77-2,658,519.15

Finding the Fourth Proportional to 9,135,390.12, 13,703,715.77 and 2,658,519.15

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Solution

The fourth proportional to 9,135,390.12, 13,703,715.77 and 2,658,519.15 is: 3,987,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135,390.12 : 13,703,715.77 = 2,658,519.15 : x
  2. Step 2: Convert to fraction form
    9,135,390.12/13,703,715.77 = 2,658,519.15/x
  3. Step 3: Cross multiply
    9,135,390.12x = 13,703,715.77 × 2,658,519.15
  4. Step 4: Simplify right side
    9,135,390.12x = 36,431,590,787,409.40
  5. Step 5: Solve for x
    x = 36,431,590,787,409.40/9,135,390.12
  6. Step 6: Final answer
    x = 3,987,962.23

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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.