Home / 11,473,965.45-15,829,327.89-6,826,821.30

Finding the Fourth Proportional to 11,473,965.45, 15,829,327.89 and 6,826,821.30

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Solution

The fourth proportional to 11,473,965.45, 15,829,327.89 and 6,826,821.30 is: 9,418,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473,965.45 : 15,829,327.89 = 6,826,821.30 : x
  2. Step 2: Convert to fraction form
    11,473,965.45/15,829,327.89 = 6,826,821.30/x
  3. Step 3: Cross multiply
    11,473,965.45x = 15,829,327.89 × 6,826,821.30
  4. Step 4: Simplify right side
    11,473,965.45x = 108,063,992,804,136.06
  5. Step 5: Solve for x
    x = 108,063,992,804,136.06/11,473,965.45
  6. Step 6: Final answer
    x = 9,418,190.54

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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.