Home / 18,187,321.30-27,280,981.95-16,507,705.30

Finding the Fourth Proportional to 18,187,321.30, 27,280,981.95 and 16,507,705.30

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Solution

The fourth proportional to 18,187,321.30, 27,280,981.95 and 16,507,705.30 is: 24,761,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,321.30 : 27,280,981.95 = 16,507,705.30 : x
  2. Step 2: Convert to fraction form
    18,187,321.30/27,280,981.95 = 16,507,705.30/x
  3. Step 3: Cross multiply
    18,187,321.30x = 27,280,981.95 × 16,507,705.30
  4. Step 4: Simplify right side
    18,187,321.30x = 450,346,410,325,219.31
  5. Step 5: Solve for x
    x = 450,346,410,325,219.31/18,187,321.30
  6. Step 6: Final answer
    x = 24,761,557.95

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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.