Home / 12,121,293.35-18,134,774.63-11,103,473.12

Finding the Fourth Proportional to 12,121,293.35, 18,134,774.63 and 11,103,473.12

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Solution

The fourth proportional to 12,121,293.35, 18,134,774.63 and 11,103,473.12 is: 16,612,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,293.35 : 18,134,774.63 = 11,103,473.12 : x
  2. Step 2: Convert to fraction form
    12,121,293.35/18,134,774.63 = 11,103,473.12/x
  3. Step 3: Cross multiply
    12,121,293.35x = 18,134,774.63 × 11,103,473.12
  4. Step 4: Simplify right side
    12,121,293.35x = 201,358,982,631,282.53
  5. Step 5: Solve for x
    x = 201,358,982,631,282.53/12,121,293.35
  6. Step 6: Final answer
    x = 16,612,004.74

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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.