Home / 27,453,884.88-37,889,721.02-15,851,428.88

Finding the Fourth Proportional to 27,453,884.88, 37,889,721.02 and 15,851,428.88

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Solution

The fourth proportional to 27,453,884.88, 37,889,721.02 and 15,851,428.88 is: 21,876,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453,884.88 : 37,889,721.02 = 15,851,428.88 : x
  2. Step 2: Convert to fraction form
    27,453,884.88/37,889,721.02 = 15,851,428.88/x
  3. Step 3: Cross multiply
    27,453,884.88x = 37,889,721.02 × 15,851,428.88
  4. Step 4: Simplify right side
    27,453,884.88x = 600,606,218,165,924
  5. Step 5: Solve for x
    x = 600,606,218,165,924/27,453,884.88
  6. Step 6: Final answer
    x = 21,876,911.80

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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.