Home / 13,943,992.64-19,239,724.96-8,140,140.48

Finding the Fourth Proportional to 13,943,992.64, 19,239,724.96 and 8,140,140.48

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Solution

The fourth proportional to 13,943,992.64, 19,239,724.96 and 8,140,140.48 is: 11,231,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,992.64 : 19,239,724.96 = 8,140,140.48 : x
  2. Step 2: Convert to fraction form
    13,943,992.64/19,239,724.96 = 8,140,140.48/x
  3. Step 3: Cross multiply
    13,943,992.64x = 19,239,724.96 × 8,140,140.48
  4. Step 4: Simplify right side
    13,943,992.64x = 156,614,063,970,962.41
  5. Step 5: Solve for x
    x = 156,614,063,970,962.41/13,943,992.64
  6. Step 6: Final answer
    x = 11,231,651.37

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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.