Home / 15,527,676.23-21,428,097.30-8,463,261.47

Finding the Fourth Proportional to 15,527,676.23, 21,428,097.30 and 8,463,261.47

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Solution

The fourth proportional to 15,527,676.23, 21,428,097.30 and 8,463,261.47 is: 11,679,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,676.23 : 21,428,097.30 = 8,463,261.47 : x
  2. Step 2: Convert to fraction form
    15,527,676.23/21,428,097.30 = 8,463,261.47/x
  3. Step 3: Cross multiply
    15,527,676.23x = 21,428,097.30 × 8,463,261.47
  4. Step 4: Simplify right side
    15,527,676.23x = 181,351,590,286,128.62
  5. Step 5: Solve for x
    x = 181,351,590,286,128.62/15,527,676.23
  6. Step 6: Final answer
    x = 11,679,248.56

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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.