Home / 13,699,427.88-18,900,604.22-7,898,082.33

Finding the Fourth Proportional to 13,699,427.88, 18,900,604.22 and 7,898,082.33

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Solution

The fourth proportional to 13,699,427.88, 18,900,604.22 and 7,898,082.33 is: 10,896,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699,427.88 : 18,900,604.22 = 7,898,082.33 : x
  2. Step 2: Convert to fraction form
    13,699,427.88/18,900,604.22 = 7,898,082.33/x
  3. Step 3: Cross multiply
    13,699,427.88x = 18,900,604.22 × 7,898,082.33
  4. Step 4: Simplify right side
    13,699,427.88x = 149,278,528,176,815.03
  5. Step 5: Solve for x
    x = 149,278,528,176,815.03/13,699,427.88
  6. Step 6: Final answer
    x = 10,896,697.99

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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.