Home / 13,842,776.45-19,102,453.35-7,961,963.42

Finding the Fourth Proportional to 13,842,776.45, 19,102,453.35 and 7,961,963.42

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Solution

The fourth proportional to 13,842,776.45, 19,102,453.35 and 7,961,963.42 is: 10,987,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,776.45 : 19,102,453.35 = 7,961,963.42 : x
  2. Step 2: Convert to fraction form
    13,842,776.45/19,102,453.35 = 7,961,963.42/x
  3. Step 3: Cross multiply
    13,842,776.45x = 19,102,453.35 × 7,961,963.42
  4. Step 4: Simplify right side
    13,842,776.45x = 152,093,034,804,956.47
  5. Step 5: Solve for x
    x = 152,093,034,804,956.47/13,842,776.45
  6. Step 6: Final answer
    x = 10,987,176.98

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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.