Home / 20,188,116.80-30,286,111.80-8,673,561.80

Finding the Fourth Proportional to 20,188,116.80, 30,286,111.80 and 8,673,561.80

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Solution

The fourth proportional to 20,188,116.80, 30,286,111.80 and 8,673,561.80 is: 13,012,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,116.80 : 30,286,111.80 = 8,673,561.80 : x
  2. Step 2: Convert to fraction form
    20,188,116.80/30,286,111.80 = 8,673,561.80/x
  3. Step 3: Cross multiply
    20,188,116.80x = 30,286,111.80 × 8,673,561.80
  4. Step 4: Simplify right side
    20,188,116.80x = 262,688,462,379,009.28
  5. Step 5: Solve for x
    x = 262,688,462,379,009.28/20,188,116.80
  6. Step 6: Final answer
    x = 13,012,034.01

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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.