Home / 19,640,952.69-27,105,359.72-10,939,129.17

Finding the Fourth Proportional to 19,640,952.69, 27,105,359.72 and 10,939,129.17

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Solution

The fourth proportional to 19,640,952.69, 27,105,359.72 and 10,939,129.17 is: 15,096,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,952.69 : 27,105,359.72 = 10,939,129.17 : x
  2. Step 2: Convert to fraction form
    19,640,952.69/27,105,359.72 = 10,939,129.17/x
  3. Step 3: Cross multiply
    19,640,952.69x = 27,105,359.72 × 10,939,129.17
  4. Step 4: Simplify right side
    19,640,952.69x = 296,509,031,176,395
  5. Step 5: Solve for x
    x = 296,509,031,176,395/19,640,952.69
  6. Step 6: Final answer
    x = 15,096,468.89

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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.