Home / 17,144,912.80-25,746,860.40-12,131,408.80

Finding the Fourth Proportional to 17,144,912.80, 25,746,860.40 and 12,131,408.80

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Solution

The fourth proportional to 17,144,912.80, 25,746,860.40 and 12,131,408.80 is: 18,217,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144,912.80 : 25,746,860.40 = 12,131,408.80 : x
  2. Step 2: Convert to fraction form
    17,144,912.80/25,746,860.40 = 12,131,408.80/x
  3. Step 3: Cross multiply
    17,144,912.80x = 25,746,860.40 × 12,131,408.80
  4. Step 4: Simplify right side
    17,144,912.80x = 312,345,688,828,931.50
  5. Step 5: Solve for x
    x = 312,345,688,828,931.50/17,144,912.80
  6. Step 6: Final answer
    x = 18,217,980.60

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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.