Home / 15,826,556.40-21,840,647.84-8,583,212.40

Finding the Fourth Proportional to 15,826,556.40, 21,840,647.84 and 8,583,212.40

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Solution

The fourth proportional to 15,826,556.40, 21,840,647.84 and 8,583,212.40 is: 11,844,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826,556.40 : 21,840,647.84 = 8,583,212.40 : x
  2. Step 2: Convert to fraction form
    15,826,556.40/21,840,647.84 = 8,583,212.40/x
  3. Step 3: Cross multiply
    15,826,556.40x = 21,840,647.84 × 8,583,212.40
  4. Step 4: Simplify right side
    15,826,556.40x = 187,462,919,364,321.22
  5. Step 5: Solve for x
    x = 187,462,919,364,321.22/15,826,556.40
  6. Step 6: Final answer
    x = 11,844,833.12

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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.