Home / 18,676,160.94-28,012,136.82-5,030,305.86

Finding the Fourth Proportional to 18,676,160.94, 28,012,136.82 and 5,030,305.86

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Solution

The fourth proportional to 18,676,160.94, 28,012,136.82 and 5,030,305.86 is: 7,544,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676,160.94 : 28,012,136.82 = 5,030,305.86 : x
  2. Step 2: Convert to fraction form
    18,676,160.94/28,012,136.82 = 5,030,305.86/x
  3. Step 3: Cross multiply
    18,676,160.94x = 28,012,136.82 × 5,030,305.86
  4. Step 4: Simplify right side
    18,676,160.94x = 140,909,615,996,767.78
  5. Step 5: Solve for x
    x = 140,909,615,996,767.78/18,676,160.94
  6. Step 6: Final answer
    x = 7,544,891.93

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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.