Home / 7,877,399.86-11,816,102.58-2,486,595.52

Finding the Fourth Proportional to 7,877,399.86, 11,816,102.58 and 2,486,595.52

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Solution

The fourth proportional to 7,877,399.86, 11,816,102.58 and 2,486,595.52 is: 3,729,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,399.86 : 11,816,102.58 = 2,486,595.52 : x
  2. Step 2: Convert to fraction form
    7,877,399.86/11,816,102.58 = 2,486,595.52/x
  3. Step 3: Cross multiply
    7,877,399.86x = 11,816,102.58 × 2,486,595.52
  4. Step 4: Simplify right side
    7,877,399.86x = 29,381,867,739,288.44
  5. Step 5: Solve for x
    x = 29,381,867,739,288.44/7,877,399.86
  6. Step 6: Final answer
    x = 3,729,894.16

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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.