Home / 7,141,129.32-9,854,727.65-3,877,917.15

Finding the Fourth Proportional to 7,141,129.32, 9,854,727.65 and 3,877,917.15

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Solution

The fourth proportional to 7,141,129.32, 9,854,727.65 and 3,877,917.15 is: 5,351,508.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,129.32 : 9,854,727.65 = 3,877,917.15 : x
  2. Step 2: Convert to fraction form
    7,141,129.32/9,854,727.65 = 3,877,917.15/x
  3. Step 3: Cross multiply
    7,141,129.32x = 9,854,727.65 × 3,877,917.15
  4. Step 4: Simplify right side
    7,141,129.32x = 38,215,817,416,435.31
  5. Step 5: Solve for x
    x = 38,215,817,416,435.31/7,141,129.32
  6. Step 6: Final answer
    x = 5,351,508.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.