Home / 13,836,286.40-20,754,429.60-7,458,994.40

Finding the Fourth Proportional to 13,836,286.40, 20,754,429.60 and 7,458,994.40

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Solution

The fourth proportional to 13,836,286.40, 20,754,429.60 and 7,458,994.40 is: 11,188,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836,286.40 : 20,754,429.60 = 7,458,994.40 : x
  2. Step 2: Convert to fraction form
    13,836,286.40/20,754,429.60 = 7,458,994.40/x
  3. Step 3: Cross multiply
    13,836,286.40x = 20,754,429.60 × 7,458,994.40
  4. Step 4: Simplify right side
    13,836,286.40x = 154,807,174,161,594.25
  5. Step 5: Solve for x
    x = 154,807,174,161,594.25/13,836,286.40
  6. Step 6: Final answer
    x = 11,188,491.60

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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.