Home / 14,519,517.84-20,036,320.80-7,903,968.57

Finding the Fourth Proportional to 14,519,517.84, 20,036,320.80 and 7,903,968.57

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Solution

The fourth proportional to 14,519,517.84, 20,036,320.80 and 7,903,968.57 is: 10,907,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519,517.84 : 20,036,320.80 = 7,903,968.57 : x
  2. Step 2: Convert to fraction form
    14,519,517.84/20,036,320.80 = 7,903,968.57/x
  3. Step 3: Cross multiply
    14,519,517.84x = 20,036,320.80 × 7,903,968.57
  4. Step 4: Simplify right side
    14,519,517.84x = 158,366,449,861,637.28
  5. Step 5: Solve for x
    x = 158,366,449,861,637.28/14,519,517.84
  6. Step 6: Final answer
    x = 10,907,142.48

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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.