Home / 14,987,305.14-20,682,981.63-9,184,965.72

Finding the Fourth Proportional to 14,987,305.14, 20,682,981.63 and 9,184,965.72

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Solution

The fourth proportional to 14,987,305.14, 20,682,981.63 and 9,184,965.72 is: 12,675,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,305.14 : 20,682,981.63 = 9,184,965.72 : x
  2. Step 2: Convert to fraction form
    14,987,305.14/20,682,981.63 = 9,184,965.72/x
  3. Step 3: Cross multiply
    14,987,305.14x = 20,682,981.63 × 9,184,965.72
  4. Step 4: Simplify right side
    14,987,305.14x = 189,972,477,258,939.72
  5. Step 5: Solve for x
    x = 189,972,477,258,939.72/14,987,305.14
  6. Step 6: Final answer
    x = 12,675,559.45

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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.