Home / 18,707,024.07-25,817,871.24-15,561,731.52

Finding the Fourth Proportional to 18,707,024.07, 25,817,871.24 and 15,561,731.52

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Solution

The fourth proportional to 18,707,024.07, 25,817,871.24 and 15,561,731.52 is: 21,477,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,024.07 : 25,817,871.24 = 15,561,731.52 : x
  2. Step 2: Convert to fraction form
    18,707,024.07/25,817,871.24 = 15,561,731.52/x
  3. Step 3: Cross multiply
    18,707,024.07x = 25,817,871.24 × 15,561,731.52
  4. Step 4: Simplify right side
    18,707,024.07x = 401,770,780,654,809.44
  5. Step 5: Solve for x
    x = 401,770,780,654,809.44/18,707,024.07
  6. Step 6: Final answer
    x = 21,477,001.32

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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.