Home / 13,261,458.92-19,892,189.12-3,676,837.59

Finding the Fourth Proportional to 13,261,458.92, 19,892,189.12 and 3,676,837.59

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Solution

The fourth proportional to 13,261,458.92, 19,892,189.12 and 3,676,837.59 is: 5,515,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,458.92 : 19,892,189.12 = 3,676,837.59 : x
  2. Step 2: Convert to fraction form
    13,261,458.92/19,892,189.12 = 3,676,837.59/x
  3. Step 3: Cross multiply
    13,261,458.92x = 19,892,189.12 × 3,676,837.59
  4. Step 4: Simplify right side
    13,261,458.92x = 73,140,348,685,420.83
  5. Step 5: Solve for x
    x = 73,140,348,685,420.83/13,261,458.92
  6. Step 6: Final answer
    x = 5,515,256.59

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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.