Home / 19,839,551.52-27,375,320.88-11,689,681.44

Finding the Fourth Proportional to 19,839,551.52, 27,375,320.88 and 11,689,681.44

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Solution

The fourth proportional to 19,839,551.52, 27,375,320.88 and 11,689,681.44 is: 16,129,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,551.52 : 27,375,320.88 = 11,689,681.44 : x
  2. Step 2: Convert to fraction form
    19,839,551.52/27,375,320.88 = 11,689,681.44/x
  3. Step 3: Cross multiply
    19,839,551.52x = 27,375,320.88 × 11,689,681.44
  4. Step 4: Simplify right side
    19,839,551.52x = 320,008,780,404,980.44
  5. Step 5: Solve for x
    x = 320,008,780,404,980.44/19,839,551.52
  6. Step 6: Final answer
    x = 16,129,839.43

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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.