Home / 18,535,205.15-27,807,438.39-13,080,949.46

Finding the Fourth Proportional to 18,535,205.15, 27,807,438.39 and 13,080,949.46

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Solution

The fourth proportional to 18,535,205.15, 27,807,438.39 and 13,080,949.46 is: 19,624,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535,205.15 : 27,807,438.39 = 13,080,949.46 : x
  2. Step 2: Convert to fraction form
    18,535,205.15/27,807,438.39 = 13,080,949.46/x
  3. Step 3: Cross multiply
    18,535,205.15x = 27,807,438.39 × 13,080,949.46
  4. Step 4: Simplify right side
    18,535,205.15x = 363,747,696,191,653.81
  5. Step 5: Solve for x
    x = 363,747,696,191,653.81/18,535,205.15
  6. Step 6: Final answer
    x = 19,624,692.21

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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.