Home / 7,161,710.28-9,883,161.23-3,898,549.77

Finding the Fourth Proportional to 7,161,710.28, 9,883,161.23 and 3,898,549.77

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Solution

The fourth proportional to 7,161,710.28, 9,883,161.23 and 3,898,549.77 is: 5,379,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,710.28 : 9,883,161.23 = 3,898,549.77 : x
  2. Step 2: Convert to fraction form
    7,161,710.28/9,883,161.23 = 3,898,549.77/x
  3. Step 3: Cross multiply
    7,161,710.28x = 9,883,161.23 × 3,898,549.77
  4. Step 4: Simplify right side
    7,161,710.28x = 38,529,995,920,596.66
  5. Step 5: Solve for x
    x = 38,529,995,920,596.66/7,161,710.28
  6. Step 6: Final answer
    x = 5,379,999.25

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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.