Home / 14,987,321.64-20,683,004.40-9,184,982.22

Finding the Fourth Proportional to 14,987,321.64, 20,683,004.40 and 9,184,982.22

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Solution

The fourth proportional to 14,987,321.64, 20,683,004.40 and 9,184,982.22 is: 12,675,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,321.64 : 20,683,004.40 = 9,184,982.22 : x
  2. Step 2: Convert to fraction form
    14,987,321.64/20,683,004.40 = 9,184,982.22/x
  3. Step 3: Cross multiply
    14,987,321.64x = 20,683,004.40 × 9,184,982.22
  4. Step 4: Simplify right side
    14,987,321.64x = 189,973,027,670,181.78
  5. Step 5: Solve for x
    x = 189,973,027,670,181.78/14,987,321.64
  6. Step 6: Final answer
    x = 12,675,582.22

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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.