Home / 21,885,102.48-30,205,191.69-12,723,059.64

Finding the Fourth Proportional to 21,885,102.48, 30,205,191.69 and 12,723,059.64

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Solution

The fourth proportional to 21,885,102.48, 30,205,191.69 and 12,723,059.64 is: 17,560,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,102.48 : 30,205,191.69 = 12,723,059.64 : x
  2. Step 2: Convert to fraction form
    21,885,102.48/30,205,191.69 = 12,723,059.64/x
  3. Step 3: Cross multiply
    21,885,102.48x = 30,205,191.69 × 12,723,059.64
  4. Step 4: Simplify right side
    21,885,102.48x = 384,302,455,309,502.44
  5. Step 5: Solve for x
    x = 384,302,455,309,502.44/21,885,102.48
  6. Step 6: Final answer
    x = 17,560,002.55

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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.