Home / 13,236,444.80-19,858,123.20-4,261,212.80

Finding the Fourth Proportional to 13,236,444.80, 19,858,123.20 and 4,261,212.80

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Solution

The fourth proportional to 13,236,444.80, 19,858,123.20 and 4,261,212.80 is: 6,392,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,444.80 : 19,858,123.20 = 4,261,212.80 : x
  2. Step 2: Convert to fraction form
    13,236,444.80/19,858,123.20 = 4,261,212.80/x
  3. Step 3: Cross multiply
    13,236,444.80x = 19,858,123.20 × 4,261,212.80
  4. Step 4: Simplify right side
    13,236,444.80x = 84,619,688,763,816.95
  5. Step 5: Solve for x
    x = 84,619,688,763,816.95/13,236,444.80
  6. Step 6: Final answer
    x = 6,392,931.79

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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.