Home / 19,248,814.31-28,876,862.97-7,735,177.85

Finding the Fourth Proportional to 19,248,814.31, 28,876,862.97 and 7,735,177.85

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Solution

The fourth proportional to 19,248,814.31, 28,876,862.97 and 7,735,177.85 is: 11,604,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248,814.31 : 28,876,862.97 = 7,735,177.85 : x
  2. Step 2: Convert to fraction form
    19,248,814.31/28,876,862.97 = 7,735,177.85/x
  3. Step 3: Cross multiply
    19,248,814.31x = 28,876,862.97 × 7,735,177.85
  4. Step 4: Simplify right side
    19,248,814.31x = 223,367,670,678,644.88
  5. Step 5: Solve for x
    x = 223,367,670,678,644.88/19,248,814.31
  6. Step 6: Final answer
    x = 11,604,230.12

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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.