Home / 7,889,619.24-10,887,217.11-4,405,178.66

Finding the Fourth Proportional to 7,889,619.24, 10,887,217.11 and 4,405,178.66

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Solution

The fourth proportional to 7,889,619.24, 10,887,217.11 and 4,405,178.66 is: 6,078,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,619.24 : 10,887,217.11 = 4,405,178.66 : x
  2. Step 2: Convert to fraction form
    7,889,619.24/10,887,217.11 = 4,405,178.66/x
  3. Step 3: Cross multiply
    7,889,619.24x = 10,887,217.11 × 4,405,178.66
  4. Step 4: Simplify right side
    7,889,619.24x = 47,960,136,425,322.79
  5. Step 5: Solve for x
    x = 47,960,136,425,322.79/7,889,619.24
  6. Step 6: Final answer
    x = 6,078,891.13

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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.