Home / 18,954,018.20-28,431,027.30-9,370,875.80

Finding the Fourth Proportional to 18,954,018.20, 28,431,027.30 and 9,370,875.80

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Solution

The fourth proportional to 18,954,018.20, 28,431,027.30 and 9,370,875.80 is: 14,056,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,018.20 : 28,431,027.30 = 9,370,875.80 : x
  2. Step 2: Convert to fraction form
    18,954,018.20/28,431,027.30 = 9,370,875.80/x
  3. Step 3: Cross multiply
    18,954,018.20x = 28,431,027.30 × 9,370,875.80
  4. Step 4: Simplify right side
    18,954,018.20x = 266,423,625,694,709.38
  5. Step 5: Solve for x
    x = 266,423,625,694,709.38/18,954,018.20
  6. Step 6: Final answer
    x = 14,056,313.70

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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.