Home / 10,868,431.40-16,304,615.40-5,463,479.60

Finding the Fourth Proportional to 10,868,431.40, 16,304,615.40 and 5,463,479.60

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Solution

The fourth proportional to 10,868,431.40, 16,304,615.40 and 5,463,479.60 is: 8,196,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,431.40 : 16,304,615.40 = 5,463,479.60 : x
  2. Step 2: Convert to fraction form
    10,868,431.40/16,304,615.40 = 5,463,479.60/x
  3. Step 3: Cross multiply
    10,868,431.40x = 16,304,615.40 × 5,463,479.60
  4. Step 4: Simplify right side
    10,868,431.40x = 89,079,933,623,745.84
  5. Step 5: Solve for x
    x = 89,079,933,623,745.84/10,868,431.40
  6. Step 6: Final answer
    x = 8,196,208.85

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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.