Home / 18,213,909.20-27,285,434.40-11,004,026.30

Finding the Fourth Proportional to 18,213,909.20, 27,285,434.40 and 11,004,026.30

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Solution

The fourth proportional to 18,213,909.20, 27,285,434.40 and 11,004,026.30 is: 16,484,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,909.20 : 27,285,434.40 = 11,004,026.30 : x
  2. Step 2: Convert to fraction form
    18,213,909.20/27,285,434.40 = 11,004,026.30/x
  3. Step 3: Cross multiply
    18,213,909.20x = 27,285,434.40 × 11,004,026.30
  4. Step 4: Simplify right side
    18,213,909.20x = 300,249,637,744,524.75
  5. Step 5: Solve for x
    x = 300,249,637,744,524.75/18,213,909.20
  6. Step 6: Final answer
    x = 16,484,634.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.