Home / 20,763,096.20-31,144,644.30-9,248,541.20

Finding the Fourth Proportional to 20,763,096.20, 31,144,644.30 and 9,248,541.20

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Solution

The fourth proportional to 20,763,096.20, 31,144,644.30 and 9,248,541.20 is: 13,872,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,096.20 : 31,144,644.30 = 9,248,541.20 : x
  2. Step 2: Convert to fraction form
    20,763,096.20/31,144,644.30 = 9,248,541.20/x
  3. Step 3: Cross multiply
    20,763,096.20x = 31,144,644.30 × 9,248,541.20
  4. Step 4: Simplify right side
    20,763,096.20x = 288,042,525,967,895.12
  5. Step 5: Solve for x
    x = 288,042,525,967,895.12/20,763,096.20
  6. Step 6: Final answer
    x = 13,872,811.80

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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.