Home / 12,856,134.98-17,741,977.79-7,055,124.32

Finding the Fourth Proportional to 12,856,134.98, 17,741,977.79 and 7,055,124.32

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Solution

The fourth proportional to 12,856,134.98, 17,741,977.79 and 7,055,124.32 is: 9,736,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,134.98 : 17,741,977.79 = 7,055,124.32 : x
  2. Step 2: Convert to fraction form
    12,856,134.98/17,741,977.79 = 7,055,124.32/x
  3. Step 3: Cross multiply
    12,856,134.98x = 17,741,977.79 × 7,055,124.32
  4. Step 4: Simplify right side
    12,856,134.98x = 125,171,859,000,208.17
  5. Step 5: Solve for x
    x = 125,171,859,000,208.17/12,856,134.98
  6. Step 6: Final answer
    x = 9,736,352.27

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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.