Home / 9,320,745.12-13,981,615.96-2,931,495.70

Finding the Fourth Proportional to 9,320,745.12, 13,981,615.96 and 2,931,495.70

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Solution

The fourth proportional to 9,320,745.12, 13,981,615.96 and 2,931,495.70 is: 4,397,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,745.12 : 13,981,615.96 = 2,931,495.70 : x
  2. Step 2: Convert to fraction form
    9,320,745.12/13,981,615.96 = 2,931,495.70/x
  3. Step 3: Cross multiply
    9,320,745.12x = 13,981,615.96 × 2,931,495.70
  4. Step 4: Simplify right side
    9,320,745.12x = 40,987,047,065,791.38
  5. Step 5: Solve for x
    x = 40,987,047,065,791.38/9,320,745.12
  6. Step 6: Final answer
    x = 4,397,400.27

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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.