Home / 8,619,060.38-12,928,787.39-2,553,678.32

Finding the Fourth Proportional to 8,619,060.38, 12,928,787.39 and 2,553,678.32

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Solution

The fourth proportional to 8,619,060.38, 12,928,787.39 and 2,553,678.32 is: 3,830,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,060.38 : 12,928,787.39 = 2,553,678.32 : x
  2. Step 2: Convert to fraction form
    8,619,060.38/12,928,787.39 = 2,553,678.32/x
  3. Step 3: Cross multiply
    8,619,060.38x = 12,928,787.39 × 2,553,678.32
  4. Step 4: Simplify right side
    8,619,060.38x = 33,015,964,003,472.64
  5. Step 5: Solve for x
    x = 33,015,964,003,472.64/8,619,060.38
  6. Step 6: Final answer
    x = 3,830,575.79

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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.