Home / 18,520,887.10-27,784,283.10-7,732,634.80

Finding the Fourth Proportional to 18,520,887.10, 27,784,283.10 and 7,732,634.80

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Solution

The fourth proportional to 18,520,887.10, 27,784,283.10 and 7,732,634.80 is: 11,600,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520,887.10 : 27,784,283.10 = 7,732,634.80 : x
  2. Step 2: Convert to fraction form
    18,520,887.10/27,784,283.10 = 7,732,634.80/x
  3. Step 3: Cross multiply
    18,520,887.10x = 27,784,283.10 × 7,732,634.80
  4. Step 4: Simplify right side
    18,520,887.10x = 214,845,714,392,111.88
  5. Step 5: Solve for x
    x = 214,845,714,392,111.88/18,520,887.10
  6. Step 6: Final answer
    x = 11,600,184.87

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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.