Home / 18,103,525.80-27,155,288.70-16,898,926.20

Finding the Fourth Proportional to 18,103,525.80, 27,155,288.70 and 16,898,926.20

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Solution

The fourth proportional to 18,103,525.80, 27,155,288.70 and 16,898,926.20 is: 25,348,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,525.80 : 27,155,288.70 = 16,898,926.20 : x
  2. Step 2: Convert to fraction form
    18,103,525.80/27,155,288.70 = 16,898,926.20/x
  3. Step 3: Cross multiply
    18,103,525.80x = 27,155,288.70 × 16,898,926.20
  4. Step 4: Simplify right side
    18,103,525.80x = 458,895,219,680,993.94
  5. Step 5: Solve for x
    x = 458,895,219,680,993.94/18,103,525.80
  6. Step 6: Final answer
    x = 25,348,389.30

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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.