Home / 19,339,862.59-28,999,810.91-5,691,236.78

Finding the Fourth Proportional to 19,339,862.59, 28,999,810.91 and 5,691,236.78

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Solution

The fourth proportional to 19,339,862.59, 28,999,810.91 and 5,691,236.78 is: 8,533,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339,862.59 : 28,999,810.91 = 5,691,236.78 : x
  2. Step 2: Convert to fraction form
    19,339,862.59/28,999,810.91 = 5,691,236.78/x
  3. Step 3: Cross multiply
    19,339,862.59x = 28,999,810.91 × 5,691,236.78
  4. Step 4: Simplify right side
    19,339,862.59x = 165,044,790,518,751.66
  5. Step 5: Solve for x
    x = 165,044,790,518,751.66/19,339,862.59
  6. Step 6: Final answer
    x = 8,533,917.44

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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.