Home / 8,991,342.48-12,409,014.21-5,508,992.31

Finding the Fourth Proportional to 8,991,342.48, 12,409,014.21 and 5,508,992.31

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Solution

The fourth proportional to 8,991,342.48, 12,409,014.21 and 5,508,992.31 is: 7,602,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,342.48 : 12,409,014.21 = 5,508,992.31 : x
  2. Step 2: Convert to fraction form
    8,991,342.48/12,409,014.21 = 5,508,992.31/x
  3. Step 3: Cross multiply
    8,991,342.48x = 12,409,014.21 × 5,508,992.31
  4. Step 4: Simplify right side
    8,991,342.48x = 68,361,163,857,570.73
  5. Step 5: Solve for x
    x = 68,361,163,857,570.73/8,991,342.48
  6. Step 6: Final answer
    x = 7,602,998.55

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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.