Home / 13,286,823.60-18,335,816.46-7,175,251.56

Finding the Fourth Proportional to 13,286,823.60, 18,335,816.46 and 7,175,251.56

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Solution

The fourth proportional to 13,286,823.60, 18,335,816.46 and 7,175,251.56 is: 9,901,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,823.60 : 18,335,816.46 = 7,175,251.56 : x
  2. Step 2: Convert to fraction form
    13,286,823.60/18,335,816.46 = 7,175,251.56/x
  3. Step 3: Cross multiply
    13,286,823.60x = 18,335,816.46 × 7,175,251.56
  4. Step 4: Simplify right side
    13,286,823.60x = 131,564,095,658,488.67
  5. Step 5: Solve for x
    x = 131,564,095,658,488.67/13,286,823.60
  6. Step 6: Final answer
    x = 9,901,847.09

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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.