Home / 7,161,353.01-9,882,793.26-3,898,261.53

Finding the Fourth Proportional to 7,161,353.01, 9,882,793.26 and 3,898,261.53

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Solution

The fourth proportional to 7,161,353.01, 9,882,793.26 and 3,898,261.53 is: 5,379,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,353.01 : 9,882,793.26 = 3,898,261.53 : x
  2. Step 2: Convert to fraction form
    7,161,353.01/9,882,793.26 = 3,898,261.53/x
  3. Step 3: Cross multiply
    7,161,353.01x = 9,882,793.26 × 3,898,261.53
  4. Step 4: Simplify right side
    7,161,353.01x = 38,525,712,774,401.28
  5. Step 5: Solve for x
    x = 38,525,712,774,401.28/7,161,353.01
  6. Step 6: Final answer
    x = 5,379,669.56

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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.