Home / 18,536,362.20-27,804,543.30-5,758,158.60

Finding the Fourth Proportional to 18,536,362.20, 27,804,543.30 and 5,758,158.60

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Solution

The fourth proportional to 18,536,362.20, 27,804,543.30 and 5,758,158.60 is: 8,637,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,362.20 : 27,804,543.30 = 5,758,158.60 : x
  2. Step 2: Convert to fraction form
    18,536,362.20/27,804,543.30 = 5,758,158.60/x
  3. Step 3: Cross multiply
    18,536,362.20x = 27,804,543.30 × 5,758,158.60
  4. Step 4: Simplify right side
    18,536,362.20x = 160,102,970,121,967.38
  5. Step 5: Solve for x
    x = 160,102,970,121,967.38/18,536,362.20
  6. Step 6: Final answer
    x = 8,637,237.90

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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.