Home / 14,987,209.87-20,682,850.53-9,184,870.45

Finding the Fourth Proportional to 14,987,209.87, 20,682,850.53 and 9,184,870.45

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Solution

The fourth proportional to 14,987,209.87, 20,682,850.53 and 9,184,870.45 is: 12,675,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,209.87 : 20,682,850.53 = 9,184,870.45 : x
  2. Step 2: Convert to fraction form
    14,987,209.87/20,682,850.53 = 9,184,870.45/x
  3. Step 3: Cross multiply
    14,987,209.87x = 20,682,850.53 × 9,184,870.45
  4. Step 4: Simplify right side
    14,987,209.87x = 189,969,302,654,763.84
  5. Step 5: Solve for x
    x = 189,969,302,654,763.84/14,987,209.87
  6. Step 6: Final answer
    x = 12,675,428.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.