Home / 13,762,436.13-18,992,709.07-7,567,990.69

Finding the Fourth Proportional to 13,762,436.13, 18,992,709.07 and 7,567,990.69

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Solution

The fourth proportional to 13,762,436.13, 18,992,709.07 and 7,567,990.69 is: 10,444,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,436.13 : 18,992,709.07 = 7,567,990.69 : x
  2. Step 2: Convert to fraction form
    13,762,436.13/18,992,709.07 = 7,567,990.69/x
  3. Step 3: Cross multiply
    13,762,436.13x = 18,992,709.07 × 7,567,990.69
  4. Step 4: Simplify right side
    13,762,436.13x = 143,736,645,419,638.56
  5. Step 5: Solve for x
    x = 143,736,645,419,638.56/13,762,436.13
  6. Step 6: Final answer
    x = 10,444,128.06

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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.