Home / 7,930,690.82-11,893,614.51-5,484,431.31

Finding the Fourth Proportional to 7,930,690.82, 11,893,614.51 and 5,484,431.31

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Solution

The fourth proportional to 7,930,690.82, 11,893,614.51 and 5,484,431.31 is: 8,224,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930,690.82 : 11,893,614.51 = 5,484,431.31 : x
  2. Step 2: Convert to fraction form
    7,930,690.82/11,893,614.51 = 5,484,431.31/x
  3. Step 3: Cross multiply
    7,930,690.82x = 11,893,614.51 × 5,484,431.31
  4. Step 4: Simplify right side
    7,930,690.82x = 65,229,711,811,029.42
  5. Step 5: Solve for x
    x = 65,229,711,811,029.42/7,930,690.82
  6. Step 6: Final answer
    x = 8,224,972.24

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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.