Home / 7,990,504.91-11,985,980.69-2,599,155.36

Finding the Fourth Proportional to 7,990,504.91, 11,985,980.69 and 2,599,155.36

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Solution

The fourth proportional to 7,990,504.91, 11,985,980.69 and 2,599,155.36 is: 3,898,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,504.91 : 11,985,980.69 = 2,599,155.36 : x
  2. Step 2: Convert to fraction form
    7,990,504.91/11,985,980.69 = 2,599,155.36/x
  3. Step 3: Cross multiply
    7,990,504.91x = 11,985,980.69 × 2,599,155.36
  4. Step 4: Simplify right side
    7,990,504.91x = 31,153,425,942,274.22
  5. Step 5: Solve for x
    x = 31,153,425,942,274.22/7,990,504.91
  6. Step 6: Final answer
    x = 3,898,805.68

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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.