Home / 18,242,692.20-27,364,038.30-16,754,657.40

Finding the Fourth Proportional to 18,242,692.20, 27,364,038.30 and 16,754,657.40

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Solution

The fourth proportional to 18,242,692.20, 27,364,038.30 and 16,754,657.40 is: 25,131,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,692.20 : 27,364,038.30 = 16,754,657.40 : x
  2. Step 2: Convert to fraction form
    18,242,692.20/27,364,038.30 = 16,754,657.40/x
  3. Step 3: Cross multiply
    18,242,692.20x = 27,364,038.30 × 16,754,657.40
  4. Step 4: Simplify right side
    18,242,692.20x = 458,475,086,796,978.44
  5. Step 5: Solve for x
    x = 458,475,086,796,978.44/18,242,692.20
  6. Step 6: Final answer
    x = 25,131,986.10

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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.