Home / 27,615,173.94-38,109,192.66-15,225,712.02

Finding the Fourth Proportional to 27,615,173.94, 38,109,192.66 and 15,225,712.02

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Solution

The fourth proportional to 27,615,173.94, 38,109,192.66 and 15,225,712.02 is: 21,011,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615,173.94 : 38,109,192.66 = 15,225,712.02 : x
  2. Step 2: Convert to fraction form
    27,615,173.94/38,109,192.66 = 15,225,712.02/x
  3. Step 3: Cross multiply
    27,615,173.94x = 38,109,192.66 × 15,225,712.02
  4. Step 4: Simplify right side
    27,615,173.94x = 580,239,592,755,857.75
  5. Step 5: Solve for x
    x = 580,239,592,755,857.75/27,615,173.94
  6. Step 6: Final answer
    x = 21,011,621.87

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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.