Home / 12,096,727.80-18,126,429.30-10,491,761.40

Finding the Fourth Proportional to 12,096,727.80, 18,126,429.30 and 10,491,761.40

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Solution

The fourth proportional to 12,096,727.80, 18,126,429.30 and 10,491,761.40 is: 15,721,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,727.80 : 18,126,429.30 = 10,491,761.40 : x
  2. Step 2: Convert to fraction form
    12,096,727.80/18,126,429.30 = 10,491,761.40/x
  3. Step 3: Cross multiply
    12,096,727.80x = 18,126,429.30 × 10,491,761.40
  4. Step 4: Simplify right side
    12,096,727.80x = 190,178,171,249,569.03
  5. Step 5: Solve for x
    x = 190,178,171,249,569.03/12,096,727.80
  6. Step 6: Final answer
    x = 15,721,455.78

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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.