Home / 26,827,241,408.38-37,020,724,791.78-15,397,691,578.12

Finding the Fourth Proportional to 26,827,241,408.38, 37,020,724,791.78 and 15,397,691,578.12

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Solution

The fourth proportional to 26,827,241,408.38, 37,020,724,791.78 and 15,397,691,578.12 is: 21,248,315,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827,241,408.38 : 37,020,724,791.78 = 15,397,691,578.12 : x
  2. Step 2: Convert to fraction form
    26,827,241,408.38/37,020,724,791.78 = 15,397,691,578.12/x
  3. Step 3: Cross multiply
    26,827,241,408.38x = 37,020,724,791.78 × 15,397,691,578.12
  4. Step 4: Simplify right side
    26,827,241,408.38x = 570,033,702,342,289,195,008
  5. Step 5: Solve for x
    x = 570,033,702,342,289,195,008/26,827,241,408.38
  6. Step 6: Final answer
    x = 21,248,315,980.94

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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.