Home / 12,318,267.09-16,998,968.28-6,811,838.49

Finding the Fourth Proportional to 12,318,267.09, 16,998,968.28 and 6,811,838.49

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Solution

The fourth proportional to 12,318,267.09, 16,998,968.28 and 6,811,838.49 is: 9,400,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,267.09 : 16,998,968.28 = 6,811,838.49 : x
  2. Step 2: Convert to fraction form
    12,318,267.09/16,998,968.28 = 6,811,838.49/x
  3. Step 3: Cross multiply
    12,318,267.09x = 16,998,968.28 × 6,811,838.49
  4. Step 4: Simplify right side
    12,318,267.09x = 115,794,226,419,993.11
  5. Step 5: Solve for x
    x = 115,794,226,419,993.11/12,318,267.09
  6. Step 6: Final answer
    x = 9,400,204.23

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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.