Home / 21,606,340.51-29,816,332.17-11,816,754.43

Finding the Fourth Proportional to 21,606,340.51, 29,816,332.17 and 11,816,754.43

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Solution

The fourth proportional to 21,606,340.51, 29,816,332.17 and 11,816,754.43 is: 16,306,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606,340.51 : 29,816,332.17 = 11,816,754.43 : x
  2. Step 2: Convert to fraction form
    21,606,340.51/29,816,332.17 = 11,816,754.43/x
  3. Step 3: Cross multiply
    21,606,340.51x = 29,816,332.17 × 11,816,754.43
  4. Step 4: Simplify right side
    21,606,340.51x = 352,332,275,256,199
  5. Step 5: Solve for x
    x = 352,332,275,256,199/21,606,340.51
  6. Step 6: Final answer
    x = 16,306,892.65

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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.