Home / 19,656,286.20-29,484,429.30-18,144,631.80

Finding the Fourth Proportional to 19,656,286.20, 29,484,429.30 and 18,144,631.80

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Solution

The fourth proportional to 19,656,286.20, 29,484,429.30 and 18,144,631.80 is: 27,216,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656,286.20 : 29,484,429.30 = 18,144,631.80 : x
  2. Step 2: Convert to fraction form
    19,656,286.20/29,484,429.30 = 18,144,631.80/x
  3. Step 3: Cross multiply
    19,656,286.20x = 29,484,429.30 × 18,144,631.80
  4. Step 4: Simplify right side
    19,656,286.20x = 534,984,113,481,631.75
  5. Step 5: Solve for x
    x = 534,984,113,481,631.75/19,656,286.20
  6. Step 6: Final answer
    x = 27,216,947.70

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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.