Home / 31,923,791.69-47,885,687.93-7,662,718.53

Finding the Fourth Proportional to 31,923,791.69, 47,885,687.93 and 7,662,718.53

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Solution

The fourth proportional to 31,923,791.69, 47,885,687.93 and 7,662,718.53 is: 11,494,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,923,791.69 : 47,885,687.93 = 7,662,718.53 : x
  2. Step 2: Convert to fraction form
    31,923,791.69/47,885,687.93 = 7,662,718.53/x
  3. Step 3: Cross multiply
    31,923,791.69x = 47,885,687.93 × 7,662,718.53
  4. Step 4: Simplify right side
    31,923,791.69x = 366,934,548,242,165.12
  5. Step 5: Solve for x
    x = 366,934,548,242,165.12/31,923,791.69
  6. Step 6: Final answer
    x = 11,494,077.89

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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.