Home / 8,100,338.72-12,144,509.04-4,904,713.76

Finding the Fourth Proportional to 8,100,338.72, 12,144,509.04 and 4,904,713.76

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Solution

The fourth proportional to 8,100,338.72, 12,144,509.04 and 4,904,713.76 is: 7,353,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,338.72 : 12,144,509.04 = 4,904,713.76 : x
  2. Step 2: Convert to fraction form
    8,100,338.72/12,144,509.04 = 4,904,713.76/x
  3. Step 3: Cross multiply
    8,100,338.72x = 12,144,509.04 × 4,904,713.76
  4. Step 4: Simplify right side
    8,100,338.72x = 59,565,340,596,932.38
  5. Step 5: Solve for x
    x = 59,565,340,596,932.38/8,100,338.72
  6. Step 6: Final answer
    x = 7,353,438.25

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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.