Home / 18,500,291.24-27,740,875.07-8,121,262.28

Finding the Fourth Proportional to 18,500,291.24, 27,740,875.07 and 8,121,262.28

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Solution

The fourth proportional to 18,500,291.24, 27,740,875.07 and 8,121,262.28 is: 12,177,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500,291.24 : 27,740,875.07 = 8,121,262.28 : x
  2. Step 2: Convert to fraction form
    18,500,291.24/27,740,875.07 = 8,121,262.28/x
  3. Step 3: Cross multiply
    18,500,291.24x = 27,740,875.07 × 8,121,262.28
  4. Step 4: Simplify right side
    18,500,291.24x = 225,290,922,201,782.16
  5. Step 5: Solve for x
    x = 225,290,922,201,782.16/18,500,291.24
  6. Step 6: Final answer
    x = 12,177,695.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.