Home / 17,021,928.80-25,532,893.20-13,662,696.80

Finding the Fourth Proportional to 17,021,928.80, 25,532,893.20 and 13,662,696.80

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Solution

The fourth proportional to 17,021,928.80, 25,532,893.20 and 13,662,696.80 is: 20,494,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021,928.80 : 25,532,893.20 = 13,662,696.80 : x
  2. Step 2: Convert to fraction form
    17,021,928.80/25,532,893.20 = 13,662,696.80/x
  3. Step 3: Cross multiply
    17,021,928.80x = 25,532,893.20 × 13,662,696.80
  4. Step 4: Simplify right side
    17,021,928.80x = 348,848,178,218,381.75
  5. Step 5: Solve for x
    x = 348,848,178,218,381.75/17,021,928.80
  6. Step 6: Final answer
    x = 20,494,045.20

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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.