Home / 27,866,668.48-38,456,477.70-15,308,252.47

Finding the Fourth Proportional to 27,866,668.48, 38,456,477.70 and 15,308,252.47

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Solution

The fourth proportional to 27,866,668.48, 38,456,477.70 and 15,308,252.47 is: 21,125,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866,668.48 : 38,456,477.70 = 15,308,252.47 : x
  2. Step 2: Convert to fraction form
    27,866,668.48/38,456,477.70 = 15,308,252.47/x
  3. Step 3: Cross multiply
    27,866,668.48x = 38,456,477.70 × 15,308,252.47
  4. Step 4: Simplify right side
    27,866,668.48x = 588,701,469,729,189.50
  5. Step 5: Solve for x
    x = 588,701,469,729,189.50/27,866,668.48
  6. Step 6: Final answer
    x = 21,125,649.45

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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.