Home / 13,238,672.52-18,270,847.38-8,014,559.20

Finding the Fourth Proportional to 13,238,672.52, 18,270,847.38 and 8,014,559.20

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Solution

The fourth proportional to 13,238,672.52, 18,270,847.38 and 8,014,559.20 is: 11,060,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,672.52 : 18,270,847.38 = 8,014,559.20 : x
  2. Step 2: Convert to fraction form
    13,238,672.52/18,270,847.38 = 8,014,559.20/x
  3. Step 3: Cross multiply
    13,238,672.52x = 18,270,847.38 × 8,014,559.20
  4. Step 4: Simplify right side
    13,238,672.52x = 146,432,787,961,174.91
  5. Step 5: Solve for x
    x = 146,432,787,961,174.91/13,238,672.52
  6. Step 6: Final answer
    x = 11,060,987.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.