Home / 18,144,037.80-27,216,056.70-13,042,204.20

Finding the Fourth Proportional to 18,144,037.80, 27,216,056.70 and 13,042,204.20

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Solution

The fourth proportional to 18,144,037.80, 27,216,056.70 and 13,042,204.20 is: 19,563,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,037.80 : 27,216,056.70 = 13,042,204.20 : x
  2. Step 2: Convert to fraction form
    18,144,037.80/27,216,056.70 = 13,042,204.20/x
  3. Step 3: Cross multiply
    18,144,037.80x = 27,216,056.70 × 13,042,204.20
  4. Step 4: Simplify right side
    18,144,037.80x = 354,957,369,000,178.12
  5. Step 5: Solve for x
    x = 354,957,369,000,178.12/18,144,037.80
  6. Step 6: Final answer
    x = 19,563,306.30

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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.