Home / 18,187,320.30-27,280,980.45-16,982,720.70

Finding the Fourth Proportional to 18,187,320.30, 27,280,980.45 and 16,982,720.70

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Solution

The fourth proportional to 18,187,320.30, 27,280,980.45 and 16,982,720.70 is: 25,474,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,320.30 : 27,280,980.45 = 16,982,720.70 : x
  2. Step 2: Convert to fraction form
    18,187,320.30/27,280,980.45 = 16,982,720.70/x
  3. Step 3: Cross multiply
    18,187,320.30x = 27,280,980.45 × 16,982,720.70
  4. Step 4: Simplify right side
    18,187,320.30x = 463,305,271,404,510.31
  5. Step 5: Solve for x
    x = 463,305,271,404,510.31/18,187,320.30
  6. Step 6: Final answer
    x = 25,474,081.05

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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.