Home / 18,972,272.70-28,442,461.77-15,369,104.22

Finding the Fourth Proportional to 18,972,272.70, 28,442,461.77 and 15,369,104.22

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Solution

The fourth proportional to 18,972,272.70, 28,442,461.77 and 15,369,104.22 is: 23,040,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972,272.70 : 28,442,461.77 = 15,369,104.22 : x
  2. Step 2: Convert to fraction form
    18,972,272.70/28,442,461.77 = 15,369,104.22/x
  3. Step 3: Cross multiply
    18,972,272.70x = 28,442,461.77 × 15,369,104.22
  4. Step 4: Simplify right side
    18,972,272.70x = 437,135,159,216,495.69
  5. Step 5: Solve for x
    x = 437,135,159,216,495.69/18,972,272.70
  6. Step 6: Final answer
    x = 23,040,737.72

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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.