Home / 25,530,811.20-35,232,464.16-13,928,381.76

Finding the Fourth Proportional to 25,530,811.20, 35,232,464.16 and 13,928,381.76

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Solution

The fourth proportional to 25,530,811.20, 35,232,464.16 and 13,928,381.76 is: 19,221,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530,811.20 : 35,232,464.16 = 13,928,381.76 : x
  2. Step 2: Convert to fraction form
    25,530,811.20/35,232,464.16 = 13,928,381.76/x
  3. Step 3: Cross multiply
    25,530,811.20x = 35,232,464.16 × 13,928,381.76
  4. Step 4: Simplify right side
    25,530,811.20x = 490,731,211,165,997.69
  5. Step 5: Solve for x
    x = 490,731,211,165,997.69/25,530,811.20
  6. Step 6: Final answer
    x = 19,221,136.66

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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.