Home / 20,188,116.30-30,286,111.05-8,673,561.30

Finding the Fourth Proportional to 20,188,116.30, 30,286,111.05 and 8,673,561.30

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Solution

The fourth proportional to 20,188,116.30, 30,286,111.05 and 8,673,561.30 is: 13,012,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,116.30 : 30,286,111.05 = 8,673,561.30 : x
  2. Step 2: Convert to fraction form
    20,188,116.30/30,286,111.05 = 8,673,561.30/x
  3. Step 3: Cross multiply
    20,188,116.30x = 30,286,111.05 × 8,673,561.30
  4. Step 4: Simplify right side
    20,188,116.30x = 262,688,440,730,782.41
  5. Step 5: Solve for x
    x = 262,688,440,730,782.41/20,188,116.30
  6. Step 6: Final answer
    x = 13,012,033.26

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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.