Home / 15,990,965.36-23,989,950.12-4,631,876.72

Finding the Fourth Proportional to 15,990,965.36, 23,989,950.12 and 4,631,876.72

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Solution

The fourth proportional to 15,990,965.36, 23,989,950.12 and 4,631,876.72 is: 6,948,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,965.36 : 23,989,950.12 = 4,631,876.72 : x
  2. Step 2: Convert to fraction form
    15,990,965.36/23,989,950.12 = 4,631,876.72/x
  3. Step 3: Cross multiply
    15,990,965.36x = 23,989,950.12 × 4,631,876.72
  4. Step 4: Simplify right side
    15,990,965.36x = 111,118,491,474,789.20
  5. Step 5: Solve for x
    x = 111,118,491,474,789.20/15,990,965.36
  6. Step 6: Final answer
    x = 6,948,829.48

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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.