Home / 13,789,645.73-19,028,302.85-8,490,499.16

Finding the Fourth Proportional to 13,789,645.73, 19,028,302.85 and 8,490,499.16

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Solution

The fourth proportional to 13,789,645.73, 19,028,302.85 and 8,490,499.16 is: 11,716,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,645.73 : 19,028,302.85 = 8,490,499.16 : x
  2. Step 2: Convert to fraction form
    13,789,645.73/19,028,302.85 = 8,490,499.16/x
  3. Step 3: Cross multiply
    13,789,645.73x = 19,028,302.85 × 8,490,499.16
  4. Step 4: Simplify right side
    13,789,645.73x = 161,559,789,226,556.56
  5. Step 5: Solve for x
    x = 161,559,789,226,556.56/13,789,645.73
  6. Step 6: Final answer
    x = 11,716,021.75

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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.