Home / 18,963,755.88-26,170,141.38-11,127,953.64

Finding the Fourth Proportional to 18,963,755.88, 26,170,141.38 and 11,127,953.64

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Solution

The fourth proportional to 18,963,755.88, 26,170,141.38 and 11,127,953.64 is: 15,356,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963,755.88 : 26,170,141.38 = 11,127,953.64 : x
  2. Step 2: Convert to fraction form
    18,963,755.88/26,170,141.38 = 11,127,953.64/x
  3. Step 3: Cross multiply
    18,963,755.88x = 26,170,141.38 × 11,127,953.64
  4. Step 4: Simplify right side
    18,963,755.88x = 291,220,120,028,885.62
  5. Step 5: Solve for x
    x = 291,220,120,028,885.62/18,963,755.88
  6. Step 6: Final answer
    x = 15,356,668.89

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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.