Home / 18,675,089.10-27,928,652.85-15,651,780.30

Finding the Fourth Proportional to 18,675,089.10, 27,928,652.85 and 15,651,780.30

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Solution

The fourth proportional to 18,675,089.10, 27,928,652.85 and 15,651,780.30 is: 23,407,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675,089.10 : 27,928,652.85 = 15,651,780.30 : x
  2. Step 2: Convert to fraction form
    18,675,089.10/27,928,652.85 = 15,651,780.30/x
  3. Step 3: Cross multiply
    18,675,089.10x = 27,928,652.85 × 15,651,780.30
  4. Step 4: Simplify right side
    18,675,089.10x = 437,133,138,483,168.88
  5. Step 5: Solve for x
    x = 437,133,138,483,168.88/18,675,089.10
  6. Step 6: Final answer
    x = 23,407,285.30

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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.