Home / 9,531,385.70-13,153,445.43-5,180,470.70

Finding the Fourth Proportional to 9,531,385.70, 13,153,445.43 and 5,180,470.70

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Solution

The fourth proportional to 9,531,385.70, 13,153,445.43 and 5,180,470.70 is: 7,149,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531,385.70 : 13,153,445.43 = 5,180,470.70 : x
  2. Step 2: Convert to fraction form
    9,531,385.70/13,153,445.43 = 5,180,470.70/x
  3. Step 3: Cross multiply
    9,531,385.70x = 13,153,445.43 × 5,180,470.70
  4. Step 4: Simplify right side
    9,531,385.70x = 68,141,038,654,163.90
  5. Step 5: Solve for x
    x = 68,141,038,654,163.90/9,531,385.70
  6. Step 6: Final answer
    x = 7,149,121.94

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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.