Home / 20,784,048.10-31,176,072.15-11,826,096.10

Finding the Fourth Proportional to 20,784,048.10, 31,176,072.15 and 11,826,096.10

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Solution

The fourth proportional to 20,784,048.10, 31,176,072.15 and 11,826,096.10 is: 17,739,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,784,048.10 : 31,176,072.15 = 11,826,096.10 : x
  2. Step 2: Convert to fraction form
    20,784,048.10/31,176,072.15 = 11,826,096.10/x
  3. Step 3: Cross multiply
    20,784,048.10x = 31,176,072.15 × 11,826,096.10
  4. Step 4: Simplify right side
    20,784,048.10x = 368,691,225,266,433.56
  5. Step 5: Solve for x
    x = 368,691,225,266,433.56/20,784,048.10
  6. Step 6: Final answer
    x = 17,739,144.15

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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.