Home / 7,785,105.12-11,677,975.83-2,671,051.68

Finding the Fourth Proportional to 7,785,105.12, 11,677,975.83 and 2,671,051.68

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Solution

The fourth proportional to 7,785,105.12, 11,677,975.83 and 2,671,051.68 is: 4,006,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,105.12 : 11,677,975.83 = 2,671,051.68 : x
  2. Step 2: Convert to fraction form
    7,785,105.12/11,677,975.83 = 2,671,051.68/x
  3. Step 3: Cross multiply
    7,785,105.12x = 11,677,975.83 × 2,671,051.68
  4. Step 4: Simplify right side
    7,785,105.12x = 31,192,476,959,720.90
  5. Step 5: Solve for x
    x = 31,192,476,959,720.90/7,785,105.12
  6. Step 6: Final answer
    x = 4,006,686.68

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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.