Home / 7,790,043.13-11,685,049.02-7,315,994.56

Finding the Fourth Proportional to 7,790,043.13, 11,685,049.02 and 7,315,994.56

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Solution

The fourth proportional to 7,790,043.13, 11,685,049.02 and 7,315,994.56 is: 10,973,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,043.13 : 11,685,049.02 = 7,315,994.56 : x
  2. Step 2: Convert to fraction form
    7,790,043.13/11,685,049.02 = 7,315,994.56/x
  3. Step 3: Cross multiply
    7,790,043.13x = 11,685,049.02 × 7,315,994.56
  4. Step 4: Simplify right side
    7,790,043.13x = 85,487,755,063,653.33
  5. Step 5: Solve for x
    x = 85,487,755,063,653.33/7,790,043.13
  6. Step 6: Final answer
    x = 10,973,977.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.