Home / 7,827,721.92-11,745,293.40-3,781,941.84

Finding the Fourth Proportional to 7,827,721.92, 11,745,293.40 and 3,781,941.84

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Solution

The fourth proportional to 7,827,721.92, 11,745,293.40 and 3,781,941.84 is: 5,674,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,721.92 : 11,745,293.40 = 3,781,941.84 : x
  2. Step 2: Convert to fraction form
    7,827,721.92/11,745,293.40 = 3,781,941.84/x
  3. Step 3: Cross multiply
    7,827,721.92x = 11,745,293.40 × 3,781,941.84
  4. Step 4: Simplify right side
    7,827,721.92x = 44,420,016,532,535.86
  5. Step 5: Solve for x
    x = 44,420,016,532,535.86/7,827,721.92
  6. Step 6: Final answer
    x = 5,674,705.49

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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.