Home / 14,987,210.87-20,682,851.91-9,184,871.45

Finding the Fourth Proportional to 14,987,210.87, 20,682,851.91 and 9,184,871.45

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Solution

The fourth proportional to 14,987,210.87, 20,682,851.91 and 9,184,871.45 is: 12,675,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,210.87 : 20,682,851.91 = 9,184,871.45 : x
  2. Step 2: Convert to fraction form
    14,987,210.87/20,682,851.91 = 9,184,871.45/x
  3. Step 3: Cross multiply
    14,987,210.87x = 20,682,851.91 × 9,184,871.45
  4. Step 4: Simplify right side
    14,987,210.87x = 189,969,336,012,736.97
  5. Step 5: Solve for x
    x = 189,969,336,012,736.97/14,987,210.87
  6. Step 6: Final answer
    x = 12,675,429.58

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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.