Home / 7,831,609.17-11,747,979.94-3,278,078.34

Finding the Fourth Proportional to 7,831,609.17, 11,747,979.94 and 3,278,078.34

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Solution

The fourth proportional to 7,831,609.17, 11,747,979.94 and 3,278,078.34 is: 4,917,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,609.17 : 11,747,979.94 = 3,278,078.34 : x
  2. Step 2: Convert to fraction form
    7,831,609.17/11,747,979.94 = 3,278,078.34/x
  3. Step 3: Cross multiply
    7,831,609.17x = 11,747,979.94 × 3,278,078.34
  4. Step 4: Simplify right side
    7,831,609.17x = 38,510,798,580,068.50
  5. Step 5: Solve for x
    x = 38,510,798,580,068.50/7,831,609.17
  6. Step 6: Final answer
    x = 4,917,354.50

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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.