Home / 5,418,138.11-7,477,366.52-3,003,690.11

Finding the Fourth Proportional to 5,418,138.11, 7,477,366.52 and 3,003,690.11

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Solution

The fourth proportional to 5,418,138.11, 7,477,366.52 and 3,003,690.11 is: 4,145,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,138.11 : 7,477,366.52 = 3,003,690.11 : x
  2. Step 2: Convert to fraction form
    5,418,138.11/7,477,366.52 = 3,003,690.11/x
  3. Step 3: Cross multiply
    5,418,138.11x = 7,477,366.52 × 3,003,690.11
  4. Step 4: Simplify right side
    5,418,138.11x = 22,459,691,849,950.66
  5. Step 5: Solve for x
    x = 22,459,691,849,950.66/5,418,138.11
  6. Step 6: Final answer
    x = 4,145,278.58

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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.