Home / 20,097,522.70-30,159,722.32-8,585,680.25

Finding the Fourth Proportional to 20,097,522.70, 30,159,722.32 and 8,585,680.25

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Solution

The fourth proportional to 20,097,522.70, 30,159,722.32 and 8,585,680.25 is: 12,884,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097,522.70 : 30,159,722.32 = 8,585,680.25 : x
  2. Step 2: Convert to fraction form
    20,097,522.70/30,159,722.32 = 8,585,680.25/x
  3. Step 3: Cross multiply
    20,097,522.70x = 30,159,722.32 × 8,585,680.25
  4. Step 4: Simplify right side
    20,097,522.70x = 258,941,732,322,243.25
  5. Step 5: Solve for x
    x = 258,941,732,322,243.25/20,097,522.70
  6. Step 6: Final answer
    x = 12,884,261.22

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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.