Home / 20,605,428.59-30,901,580.74-6,769,175.66

Finding the Fourth Proportional to 20,605,428.59, 30,901,580.74 and 6,769,175.66

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Solution

The fourth proportional to 20,605,428.59, 30,901,580.74 and 6,769,175.66 is: 10,151,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605,428.59 : 30,901,580.74 = 6,769,175.66 : x
  2. Step 2: Convert to fraction form
    20,605,428.59/30,901,580.74 = 6,769,175.66/x
  3. Step 3: Cross multiply
    20,605,428.59x = 30,901,580.74 × 6,769,175.66
  4. Step 4: Simplify right side
    20,605,428.59x = 209,178,228,200,732.78
  5. Step 5: Solve for x
    x = 209,178,228,200,732.78/20,605,428.59
  6. Step 6: Final answer
    x = 10,151,607.73

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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.