Home / 12,201,786.59-16,839,958.86-7,045,139.48

Finding the Fourth Proportional to 12,201,786.59, 16,839,958.86 and 7,045,139.48

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Solution

The fourth proportional to 12,201,786.59, 16,839,958.86 and 7,045,139.48 is: 9,723,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,786.59 : 16,839,958.86 = 7,045,139.48 : x
  2. Step 2: Convert to fraction form
    12,201,786.59/16,839,958.86 = 7,045,139.48/x
  3. Step 3: Cross multiply
    12,201,786.59x = 16,839,958.86 × 7,045,139.48
  4. Step 4: Simplify right side
    12,201,786.59x = 118,639,859,006,161.80
  5. Step 5: Solve for x
    x = 118,639,859,006,161.80/12,201,786.59
  6. Step 6: Final answer
    x = 9,723,154.73

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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.