Home / 13,762,688.98-18,992,823.01-7,568,079.82

Finding the Fourth Proportional to 13,762,688.98, 18,992,823.01 and 7,568,079.82

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Solution

The fourth proportional to 13,762,688.98, 18,992,823.01 and 7,568,079.82 is: 10,444,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,688.98 : 18,992,823.01 = 7,568,079.82 : x
  2. Step 2: Convert to fraction form
    13,762,688.98/18,992,823.01 = 7,568,079.82/x
  3. Step 3: Cross multiply
    13,762,688.98x = 18,992,823.01 × 7,568,079.82
  4. Step 4: Simplify right side
    13,762,688.98x = 143,739,200,546,812.69
  5. Step 5: Solve for x
    x = 143,739,200,546,812.69/13,762,688.98
  6. Step 6: Final answer
    x = 10,444,121.84

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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.