Home / 9,109,693.80-13,664,540.70-5,758,756.20

Finding the Fourth Proportional to 9,109,693.80, 13,664,540.70 and 5,758,756.20

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Solution

The fourth proportional to 9,109,693.80, 13,664,540.70 and 5,758,756.20 is: 8,638,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,693.80 : 13,664,540.70 = 5,758,756.20 : x
  2. Step 2: Convert to fraction form
    9,109,693.80/13,664,540.70 = 5,758,756.20/x
  3. Step 3: Cross multiply
    9,109,693.80x = 13,664,540.70 × 5,758,756.20
  4. Step 4: Simplify right side
    9,109,693.80x = 78,690,758,476,277.34
  5. Step 5: Solve for x
    x = 78,690,758,476,277.34/9,109,693.80
  6. Step 6: Final answer
    x = 8,638,134.30

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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.