Home / 15,776,666.44-21,613,929.71-15,186,711.04

Finding the Fourth Proportional to 15,776,666.44, 21,613,929.71 and 15,186,711.04

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Solution

The fourth proportional to 15,776,666.44, 21,613,929.71 and 15,186,711.04 is: 20,805,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776,666.44 : 21,613,929.71 = 15,186,711.04 : x
  2. Step 2: Convert to fraction form
    15,776,666.44/21,613,929.71 = 15,186,711.04/x
  3. Step 3: Cross multiply
    15,776,666.44x = 21,613,929.71 × 15,186,711.04
  4. Step 4: Simplify right side
    15,776,666.44x = 328,244,504,944,641
  5. Step 5: Solve for x
    x = 328,244,504,944,641/15,776,666.44
  6. Step 6: Final answer
    x = 20,805,694.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.