Home / 10,195,018.45-14,069,124.66-5,548,836.78

Finding the Fourth Proportional to 10,195,018.45, 14,069,124.66 and 5,548,836.78

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Solution

The fourth proportional to 10,195,018.45, 14,069,124.66 and 5,548,836.78 is: 7,657,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195,018.45 : 14,069,124.66 = 5,548,836.78 : x
  2. Step 2: Convert to fraction form
    10,195,018.45/14,069,124.66 = 5,548,836.78/x
  3. Step 3: Cross multiply
    10,195,018.45x = 14,069,124.66 × 5,548,836.78
  4. Step 4: Simplify right side
    10,195,018.45x = 78,067,276,305,467.38
  5. Step 5: Solve for x
    x = 78,067,276,305,467.38/10,195,018.45
  6. Step 6: Final answer
    x = 7,657,394.31

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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.