Home / 13,691,296.50-18,893,270.67-7,495,155.36

Finding the Fourth Proportional to 13,691,296.50, 18,893,270.67 and 7,495,155.36

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Solution

The fourth proportional to 13,691,296.50, 18,893,270.67 and 7,495,155.36 is: 10,342,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,296.50 : 18,893,270.67 = 7,495,155.36 : x
  2. Step 2: Convert to fraction form
    13,691,296.50/18,893,270.67 = 7,495,155.36/x
  3. Step 3: Cross multiply
    13,691,296.50x = 18,893,270.67 × 7,495,155.36
  4. Step 4: Simplify right side
    13,691,296.50x = 141,607,998,930,181.31
  5. Step 5: Solve for x
    x = 141,607,998,930,181.31/13,691,296.50
  6. Step 6: Final answer
    x = 10,342,921.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.