Home / 28,136,103.73-38,827,823.13-15,259,047.73

Finding the Fourth Proportional to 28,136,103.73, 38,827,823.13 and 15,259,047.73

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Solution

The fourth proportional to 28,136,103.73, 38,827,823.13 and 15,259,047.73 is: 21,057,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,103.73 : 38,827,823.13 = 15,259,047.73 : x
  2. Step 2: Convert to fraction form
    28,136,103.73/38,827,823.13 = 15,259,047.73/x
  3. Step 3: Cross multiply
    28,136,103.73x = 38,827,823.13 × 15,259,047.73
  4. Step 4: Simplify right side
    28,136,103.73x = 592,475,606,392,668
  5. Step 5: Solve for x
    x = 592,475,606,392,668/28,136,103.73
  6. Step 6: Final answer
    x = 21,057,485.86

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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.