Home / 18,209,426.24-27,315,977.86-5,912,875.40

Finding the Fourth Proportional to 18,209,426.24, 27,315,977.86 and 5,912,875.40

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Solution

The fourth proportional to 18,209,426.24, 27,315,977.86 and 5,912,875.40 is: 8,869,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,426.24 : 27,315,977.86 = 5,912,875.40 : x
  2. Step 2: Convert to fraction form
    18,209,426.24/27,315,977.86 = 5,912,875.40/x
  3. Step 3: Cross multiply
    18,209,426.24x = 27,315,977.86 × 5,912,875.40
  4. Step 4: Simplify right side
    18,209,426.24x = 161,515,973,515,338.66
  5. Step 5: Solve for x
    x = 161,515,973,515,338.66/18,209,426.24
  6. Step 6: Final answer
    x = 8,869,910.09

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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.