Home / 7,715,645.57-11,573,507.03-1,958,380.91

Finding the Fourth Proportional to 7,715,645.57, 11,573,507.03 and 1,958,380.91

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Solution

The fourth proportional to 7,715,645.57, 11,573,507.03 and 1,958,380.91 is: 2,937,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,645.57 : 11,573,507.03 = 1,958,380.91 : x
  2. Step 2: Convert to fraction form
    7,715,645.57/11,573,507.03 = 1,958,380.91/x
  3. Step 3: Cross multiply
    7,715,645.57x = 11,573,507.03 × 1,958,380.91
  4. Step 4: Simplify right side
    7,715,645.57x = 22,665,335,248,444.66
  5. Step 5: Solve for x
    x = 22,665,335,248,444.66/7,715,645.57
  6. Step 6: Final answer
    x = 2,937,581.19

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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.