Home / 10,257,420.75-15,361,474.12-5,867,254.27

Finding the Fourth Proportional to 10,257,420.75, 15,361,474.12 and 5,867,254.27

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Solution

The fourth proportional to 10,257,420.75, 15,361,474.12 and 5,867,254.27 is: 8,786,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,420.75 : 15,361,474.12 = 5,867,254.27 : x
  2. Step 2: Convert to fraction form
    10,257,420.75/15,361,474.12 = 5,867,254.27/x
  3. Step 3: Cross multiply
    10,257,420.75x = 15,361,474.12 × 5,867,254.27
  4. Step 4: Simplify right side
    10,257,420.75x = 90,129,674,624,064.48
  5. Step 5: Solve for x
    x = 90,129,674,624,064.48/10,257,420.75
  6. Step 6: Final answer
    x = 8,786,777.58

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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.