Home / 13,545,991.12-18,693,479.83-7,351,037.82

Finding the Fourth Proportional to 13,545,991.12, 18,693,479.83 and 7,351,037.82

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Solution

The fourth proportional to 13,545,991.12, 18,693,479.83 and 7,351,037.82 is: 10,144,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,991.12 : 18,693,479.83 = 7,351,037.82 : x
  2. Step 2: Convert to fraction form
    13,545,991.12/18,693,479.83 = 7,351,037.82/x
  3. Step 3: Cross multiply
    13,545,991.12x = 18,693,479.83 × 7,351,037.82
  4. Step 4: Simplify right side
    13,545,991.12x = 137,416,477,217,737.16
  5. Step 5: Solve for x
    x = 137,416,477,217,737.16/13,545,991.12
  6. Step 6: Final answer
    x = 10,144,438.75

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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.