Home / 7,137,811.18-9,850,191.96-3,874,628.13

Finding the Fourth Proportional to 7,137,811.18, 9,850,191.96 and 3,874,628.13

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Solution

The fourth proportional to 7,137,811.18, 9,850,191.96 and 3,874,628.13 is: 5,346,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,811.18 : 9,850,191.96 = 3,874,628.13 : x
  2. Step 2: Convert to fraction form
    7,137,811.18/9,850,191.96 = 3,874,628.13/x
  3. Step 3: Cross multiply
    7,137,811.18x = 9,850,191.96 × 3,874,628.13
  4. Step 4: Simplify right side
    7,137,811.18x = 38,165,830,854,115.84
  5. Step 5: Solve for x
    x = 38,165,830,854,115.84/7,137,811.18
  6. Step 6: Final answer
    x = 5,346,993.62

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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.