Home / 12,543,713.76-17,317,745.52-7,901,478.24

Finding the Fourth Proportional to 12,543,713.76, 17,317,745.52 and 7,901,478.24

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Solution

The fourth proportional to 12,543,713.76, 17,317,745.52 and 7,901,478.24 is: 10,908,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,713.76 : 17,317,745.52 = 7,901,478.24 : x
  2. Step 2: Convert to fraction form
    12,543,713.76/17,317,745.52 = 7,901,478.24/x
  3. Step 3: Cross multiply
    12,543,713.76x = 17,317,745.52 × 7,901,478.24
  4. Step 4: Simplify right side
    12,543,713.76x = 136,835,789,392,137.48
  5. Step 5: Solve for x
    x = 136,835,789,392,137.48/12,543,713.76
  6. Step 6: Final answer
    x = 10,908,714.28

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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.