Home / 8,479,990.91-12,719,565.40-2,723,006.37

Finding the Fourth Proportional to 8,479,990.91, 12,719,565.40 and 2,723,006.37

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Solution

The fourth proportional to 8,479,990.91, 12,719,565.40 and 2,723,006.37 is: 4,084,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,990.91 : 12,719,565.40 = 2,723,006.37 : x
  2. Step 2: Convert to fraction form
    8,479,990.91/12,719,565.40 = 2,723,006.37/x
  3. Step 3: Cross multiply
    8,479,990.91x = 12,719,565.40 × 2,723,006.37
  4. Step 4: Simplify right side
    8,479,990.91x = 34,635,457,628,120.34
  5. Step 5: Solve for x
    x = 34,635,457,628,120.34/8,479,990.91
  6. Step 6: Final answer
    x = 4,084,374.38

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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.