Home / 18,503,270.33-27,756,764.43-6,371,128.40

Finding the Fourth Proportional to 18,503,270.33, 27,756,764.43 and 6,371,128.40

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Solution

The fourth proportional to 18,503,270.33, 27,756,764.43 and 6,371,128.40 is: 9,557,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503,270.33 : 27,756,764.43 = 6,371,128.40 : x
  2. Step 2: Convert to fraction form
    18,503,270.33/27,756,764.43 = 6,371,128.40/x
  3. Step 3: Cross multiply
    18,503,270.33x = 27,756,764.43 × 6,371,128.40
  4. Step 4: Simplify right side
    18,503,270.33x = 176,841,910,013,298.97
  5. Step 5: Solve for x
    x = 176,841,910,013,298.97/18,503,270.33
  6. Step 6: Final answer
    x = 9,557,332.67

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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.