Home / 7,889,619.92-10,887,569.44-4,405,012.07

Finding the Fourth Proportional to 7,889,619.92, 10,887,569.44 and 4,405,012.07

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Solution

The fourth proportional to 7,889,619.92, 10,887,569.44 and 4,405,012.07 is: 6,078,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,619.92 : 10,887,569.44 = 4,405,012.07 : x
  2. Step 2: Convert to fraction form
    7,889,619.92/10,887,569.44 = 4,405,012.07/x
  3. Step 3: Cross multiply
    7,889,619.92x = 10,887,569.44 × 4,405,012.07
  4. Step 4: Simplify right side
    7,889,619.92x = 47,959,874,730,712.77
  5. Step 5: Solve for x
    x = 47,959,874,730,712.77/7,889,619.92
  6. Step 6: Final answer
    x = 6,078,857.44

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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.