Home / 10,728,027.20-16,092,040.80-3,155,758.40

Finding the Fourth Proportional to 10,728,027.20, 16,092,040.80 and 3,155,758.40

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Solution

The fourth proportional to 10,728,027.20, 16,092,040.80 and 3,155,758.40 is: 4,733,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,027.20 : 16,092,040.80 = 3,155,758.40 : x
  2. Step 2: Convert to fraction form
    10,728,027.20/16,092,040.80 = 3,155,758.40/x
  3. Step 3: Cross multiply
    10,728,027.20x = 16,092,040.80 × 3,155,758.40
  4. Step 4: Simplify right side
    10,728,027.20x = 50,782,592,927,742.72
  5. Step 5: Solve for x
    x = 50,782,592,927,742.72/10,728,027.20
  6. Step 6: Final answer
    x = 4,733,637.60

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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.