Home / 9,876,289.62-13,629,809.16-5,525,116.44

Finding the Fourth Proportional to 9,876,289.62, 13,629,809.16 and 5,525,116.44

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Solution

The fourth proportional to 9,876,289.62, 13,629,809.16 and 5,525,116.44 is: 7,624,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,289.62 : 13,629,809.16 = 5,525,116.44 : x
  2. Step 2: Convert to fraction form
    9,876,289.62/13,629,809.16 = 5,525,116.44/x
  3. Step 3: Cross multiply
    9,876,289.62x = 13,629,809.16 × 5,525,116.44
  4. Step 4: Simplify right side
    9,876,289.62x = 75,306,282,663,978.59
  5. Step 5: Solve for x
    x = 75,306,282,663,978.59/9,876,289.62
  6. Step 6: Final answer
    x = 7,624,956.90

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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.