Home / 18,171,902.10-27,221,111.55-11,327,466.90

Finding the Fourth Proportional to 18,171,902.10, 27,221,111.55 and 11,327,466.90

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Solution

The fourth proportional to 18,171,902.10, 27,221,111.55 and 11,327,466.90 is: 16,968,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,902.10 : 27,221,111.55 = 11,327,466.90 : x
  2. Step 2: Convert to fraction form
    18,171,902.10/27,221,111.55 = 11,327,466.90/x
  3. Step 3: Cross multiply
    18,171,902.10x = 27,221,111.55 × 11,327,466.90
  4. Step 4: Simplify right side
    18,171,902.10x = 308,346,240,063,832.69
  5. Step 5: Solve for x
    x = 308,346,240,063,832.69/18,171,902.10
  6. Step 6: Final answer
    x = 16,968,297.45

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1.5x scale

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.