Home / 13,479,315.40-20,218,973.10-11,085,862.60

Finding the Fourth Proportional to 13,479,315.40, 20,218,973.10 and 11,085,862.60

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Solution

The fourth proportional to 13,479,315.40, 20,218,973.10 and 11,085,862.60 is: 16,628,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,315.40 : 20,218,973.10 = 11,085,862.60 : x
  2. Step 2: Convert to fraction form
    13,479,315.40/20,218,973.10 = 11,085,862.60/x
  3. Step 3: Cross multiply
    13,479,315.40x = 20,218,973.10 × 11,085,862.60
  4. Step 4: Simplify right side
    13,479,315.40x = 224,144,757,699,696.06
  5. Step 5: Solve for x
    x = 224,144,757,699,696.06/13,479,315.40
  6. Step 6: Final answer
    x = 16,628,793.90

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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.