Home / 13,019,834.22-19,525,763.88-9,002,140.26

Finding the Fourth Proportional to 13,019,834.22, 19,525,763.88 and 9,002,140.26

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Solution

The fourth proportional to 13,019,834.22, 19,525,763.88 and 9,002,140.26 is: 13,500,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,834.22 : 19,525,763.88 = 9,002,140.26 : x
  2. Step 2: Convert to fraction form
    13,019,834.22/19,525,763.88 = 9,002,140.26/x
  3. Step 3: Cross multiply
    13,019,834.22x = 19,525,763.88 × 9,002,140.26
  4. Step 4: Simplify right side
    13,019,834.22x = 175,773,665,131,401.78
  5. Step 5: Solve for x
    x = 175,773,665,131,401.78/13,019,834.22
  6. Step 6: Final answer
    x = 13,500,453.40

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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.