Home / 7,891,379.68-10,889,883.36-4,453,940.56

Finding the Fourth Proportional to 7,891,379.68, 10,889,883.36 and 4,453,940.56

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Solution

The fourth proportional to 7,891,379.68, 10,889,883.36 and 4,453,940.56 is: 6,146,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,379.68 : 10,889,883.36 = 4,453,940.56 : x
  2. Step 2: Convert to fraction form
    7,891,379.68/10,889,883.36 = 4,453,940.56/x
  3. Step 3: Cross multiply
    7,891,379.68x = 10,889,883.36 × 4,453,940.56
  4. Step 4: Simplify right side
    7,891,379.68x = 48,502,893,190,773.08
  5. Step 5: Solve for x
    x = 48,502,893,190,773.08/7,891,379.68
  6. Step 6: Final answer
    x = 6,146,313.47

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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.