Home / 18,924,731.58-28,386,687.89-5,277,514.42

Finding the Fourth Proportional to 18,924,731.58, 28,386,687.89 and 5,277,514.42

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Solution

The fourth proportional to 18,924,731.58, 28,386,687.89 and 5,277,514.42 is: 7,916,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,731.58 : 28,386,687.89 = 5,277,514.42 : x
  2. Step 2: Convert to fraction form
    18,924,731.58/28,386,687.89 = 5,277,514.42/x
  3. Step 3: Cross multiply
    18,924,731.58x = 28,386,687.89 × 5,277,514.42
  4. Step 4: Simplify right side
    18,924,731.58x = 149,811,154,675,514.38
  5. Step 5: Solve for x
    x = 149,811,154,675,514.38/18,924,731.58
  6. Step 6: Final answer
    x = 7,916,157.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.