Home / 14,975,942.76-20,665,022.67-8,449,191.18

Finding the Fourth Proportional to 14,975,942.76, 20,665,022.67 and 8,449,191.18

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Solution

The fourth proportional to 14,975,942.76, 20,665,022.67 and 8,449,191.18 is: 11,658,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975,942.76 : 20,665,022.67 = 8,449,191.18 : x
  2. Step 2: Convert to fraction form
    14,975,942.76/20,665,022.67 = 8,449,191.18/x
  3. Step 3: Cross multiply
    14,975,942.76x = 20,665,022.67 × 8,449,191.18
  4. Step 4: Simplify right side
    14,975,942.76x = 174,602,727,277,864.06
  5. Step 5: Solve for x
    x = 174,602,727,277,864.06/14,975,942.76
  6. Step 6: Final answer
    x = 11,658,880.52

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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.