Home / 7,036,845.30-9,711,761.22-3,940,547.58

Finding the Fourth Proportional to 7,036,845.30, 9,711,761.22 and 3,940,547.58

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Solution

The fourth proportional to 7,036,845.30, 9,711,761.22 and 3,940,547.58 is: 5,438,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036,845.30 : 9,711,761.22 = 3,940,547.58 : x
  2. Step 2: Convert to fraction form
    7,036,845.30/9,711,761.22 = 3,940,547.58/x
  3. Step 3: Cross multiply
    7,036,845.30x = 9,711,761.22 × 3,940,547.58
  4. Step 4: Simplify right side
    7,036,845.30x = 38,269,657,173,008.85
  5. Step 5: Solve for x
    x = 38,269,657,173,008.85/7,036,845.30
  6. Step 6: Final answer
    x = 5,438,467.88

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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.