Home / 7,889,919.50-10,887,981.85-4,405,311.85

Finding the Fourth Proportional to 7,889,919.50, 10,887,981.85 and 4,405,311.85

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Solution

The fourth proportional to 7,889,919.50, 10,887,981.85 and 4,405,311.85 is: 6,079,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,919.50 : 10,887,981.85 = 4,405,311.85 : x
  2. Step 2: Convert to fraction form
    7,889,919.50/10,887,981.85 = 4,405,311.85/x
  3. Step 3: Cross multiply
    7,889,919.50x = 10,887,981.85 × 4,405,311.85
  4. Step 4: Simplify right side
    7,889,919.50x = 47,964,955,466,389.91
  5. Step 5: Solve for x
    x = 47,964,955,466,389.91/7,889,919.50
  6. Step 6: Final answer
    x = 6,079,270.58

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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.