Home / 18,347,357.20-27,533,477.40-11,942,006.80

Finding the Fourth Proportional to 18,347,357.20, 27,533,477.40 and 11,942,006.80

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Solution

The fourth proportional to 18,347,357.20, 27,533,477.40 and 11,942,006.80 is: 17,921,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347,357.20 : 27,533,477.40 = 11,942,006.80 : x
  2. Step 2: Convert to fraction form
    18,347,357.20/27,533,477.40 = 11,942,006.80/x
  3. Step 3: Cross multiply
    18,347,357.20x = 27,533,477.40 × 11,942,006.80
  4. Step 4: Simplify right side
    18,347,357.20x = 328,804,974,338,446.31
  5. Step 5: Solve for x
    x = 328,804,974,338,446.31/18,347,357.20
  6. Step 6: Final answer
    x = 17,921,108.24

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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.