Home / 21,481,501.96-29,642,238.65-12,186,110.44

Finding the Fourth Proportional to 21,481,501.96, 29,642,238.65 and 12,186,110.44

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Solution

The fourth proportional to 21,481,501.96, 29,642,238.65 and 12,186,110.44 is: 16,815,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,501.96 : 29,642,238.65 = 12,186,110.44 : x
  2. Step 2: Convert to fraction form
    21,481,501.96/29,642,238.65 = 12,186,110.44/x
  3. Step 3: Cross multiply
    21,481,501.96x = 29,642,238.65 × 12,186,110.44
  4. Step 4: Simplify right side
    21,481,501.96x = 361,223,593,877,736.50
  5. Step 5: Solve for x
    x = 361,223,593,877,736.50/21,481,501.96
  6. Step 6: Final answer
    x = 16,815,565.06

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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.