Home / 13,622,250.24-18,799,499.52-7,821,043.20

Finding the Fourth Proportional to 13,622,250.24, 18,799,499.52 and 7,821,043.20

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Solution

The fourth proportional to 13,622,250.24, 18,799,499.52 and 7,821,043.20 is: 10,793,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,250.24 : 18,799,499.52 = 7,821,043.20 : x
  2. Step 2: Convert to fraction form
    13,622,250.24/18,799,499.52 = 7,821,043.20/x
  3. Step 3: Cross multiply
    13,622,250.24x = 18,799,499.52 × 7,821,043.20
  4. Step 4: Simplify right side
    13,622,250.24x = 147,031,697,884,299.25
  5. Step 5: Solve for x
    x = 147,031,697,884,299.25/13,622,250.24
  6. Step 6: Final answer
    x = 10,793,495.59

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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.