Home / 7,019,739.86-9,687,305.04-4,119,179.09

Finding the Fourth Proportional to 7,019,739.86, 9,687,305.04 and 4,119,179.09

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Solution

The fourth proportional to 7,019,739.86, 9,687,305.04 and 4,119,179.09 is: 5,684,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,739.86 : 9,687,305.04 = 4,119,179.09 : x
  2. Step 2: Convert to fraction form
    7,019,739.86/9,687,305.04 = 4,119,179.09/x
  3. Step 3: Cross multiply
    7,019,739.86x = 9,687,305.04 × 4,119,179.09
  4. Step 4: Simplify right side
    7,019,739.86x = 39,903,744,359,219.61
  5. Step 5: Solve for x
    x = 39,903,744,359,219.61/7,019,739.86
  6. Step 6: Final answer
    x = 5,684,504.72

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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.