Home / 10,018,298.45-13,825,278.44-5,434,619.82

Finding the Fourth Proportional to 10,018,298.45, 13,825,278.44 and 5,434,619.82

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Solution

The fourth proportional to 10,018,298.45, 13,825,278.44 and 5,434,619.82 is: 7,499,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,298.45 : 13,825,278.44 = 5,434,619.82 : x
  2. Step 2: Convert to fraction form
    10,018,298.45/13,825,278.44 = 5,434,619.82/x
  3. Step 3: Cross multiply
    10,018,298.45x = 13,825,278.44 × 5,434,619.82
  4. Step 4: Simplify right side
    10,018,298.45x = 75,135,132,227,042.69
  5. Step 5: Solve for x
    x = 75,135,132,227,042.69/10,018,298.45
  6. Step 6: Final answer
    x = 7,499,789.77

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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.