Home / 17,007,021.80-25,448,324.70-12,528,045.80

Finding the Fourth Proportional to 17,007,021.80, 25,448,324.70 and 12,528,045.80

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Solution

The fourth proportional to 17,007,021.80, 25,448,324.70 and 12,528,045.80 is: 18,746,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007,021.80 : 25,448,324.70 = 12,528,045.80 : x
  2. Step 2: Convert to fraction form
    17,007,021.80/25,448,324.70 = 12,528,045.80/x
  3. Step 3: Cross multiply
    17,007,021.80x = 25,448,324.70 × 12,528,045.80
  4. Step 4: Simplify right side
    17,007,021.80x = 318,817,777,374,871.25
  5. Step 5: Solve for x
    x = 318,817,777,374,871.25/17,007,021.80
  6. Step 6: Final answer
    x = 18,746,243.82

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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.