Home / 19,678,274.80-27,156,694.56-11,417,713.36

Finding the Fourth Proportional to 19,678,274.80, 27,156,694.56 and 11,417,713.36

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Solution

The fourth proportional to 19,678,274.80, 27,156,694.56 and 11,417,713.36 is: 15,756,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678,274.80 : 27,156,694.56 = 11,417,713.36 : x
  2. Step 2: Convert to fraction form
    19,678,274.80/27,156,694.56 = 11,417,713.36/x
  3. Step 3: Cross multiply
    19,678,274.80x = 27,156,694.56 × 11,417,713.36
  4. Step 4: Simplify right side
    19,678,274.80x = 310,067,354,291,151.31
  5. Step 5: Solve for x
    x = 310,067,354,291,151.31/19,678,274.80
  6. Step 6: Final answer
    x = 15,756,836.28

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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.