Home / 43,015,019.80-64,528,895.94-13,859,087.44

Finding the Fourth Proportional to 43,015,019.80, 64,528,895.94 and 13,859,087.44

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Solution

The fourth proportional to 43,015,019.80, 64,528,895.94 and 13,859,087.44 is: 20,790,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015,019.80 : 64,528,895.94 = 13,859,087.44 : x
  2. Step 2: Convert to fraction form
    43,015,019.80/64,528,895.94 = 13,859,087.44/x
  3. Step 3: Cross multiply
    43,015,019.80x = 64,528,895.94 × 13,859,087.44
  4. Step 4: Simplify right side
    43,015,019.80x = 894,311,611,239,120.88
  5. Step 5: Solve for x
    x = 894,311,611,239,120.88/43,015,019.80
  6. Step 6: Final answer
    x = 20,790,682.31

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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.