Home / 9,876,288.15-13,629,807.09-5,525,114.94

Finding the Fourth Proportional to 9,876,288.15, 13,629,807.09 and 5,525,114.94

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Solution

The fourth proportional to 9,876,288.15, 13,629,807.09 and 5,525,114.94 is: 7,624,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,288.15 : 13,629,807.09 = 5,525,114.94 : x
  2. Step 2: Convert to fraction form
    9,876,288.15/13,629,807.09 = 5,525,114.94/x
  3. Step 3: Cross multiply
    9,876,288.15x = 13,629,807.09 × 5,525,114.94
  4. Step 4: Simplify right side
    9,876,288.15x = 75,306,250,782,276.92
  5. Step 5: Solve for x
    x = 75,306,250,782,276.92/9,876,288.15
  6. Step 6: Final answer
    x = 7,624,954.80

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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.