Home / 13,347,496.38-18,419,690.07-7,841,103.30

Finding the Fourth Proportional to 13,347,496.38, 18,419,690.07 and 7,841,103.30

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Solution

The fourth proportional to 13,347,496.38, 18,419,690.07 and 7,841,103.30 is: 10,820,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,496.38 : 18,419,690.07 = 7,841,103.30 : x
  2. Step 2: Convert to fraction form
    13,347,496.38/18,419,690.07 = 7,841,103.30/x
  3. Step 3: Cross multiply
    13,347,496.38x = 18,419,690.07 × 7,841,103.30
  4. Step 4: Simplify right side
    13,347,496.38x = 144,430,692,592,854.22
  5. Step 5: Solve for x
    x = 144,430,692,592,854.22/13,347,496.38
  6. Step 6: Final answer
    x = 10,820,807.77

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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.