Home / 7,161,708.78-9,883,159.16-3,898,548.27

Finding the Fourth Proportional to 7,161,708.78, 9,883,159.16 and 3,898,548.27

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Solution

The fourth proportional to 7,161,708.78, 9,883,159.16 and 3,898,548.27 is: 5,379,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,708.78 : 9,883,159.16 = 3,898,548.27 : x
  2. Step 2: Convert to fraction form
    7,161,708.78/9,883,159.16 = 3,898,548.27/x
  3. Step 3: Cross multiply
    7,161,708.78x = 9,883,159.16 × 3,898,548.27
  4. Step 4: Simplify right side
    7,161,708.78x = 38,529,973,025,859.91
  5. Step 5: Solve for x
    x = 38,529,973,025,859.91/7,161,708.78
  6. Step 6: Final answer
    x = 5,379,997.18

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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.