Home / 20,165,506.35-30,240,848.43-7,208,160.54

Finding the Fourth Proportional to 20,165,506.35, 30,240,848.43 and 7,208,160.54

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Solution

The fourth proportional to 20,165,506.35, 30,240,848.43 and 7,208,160.54 is: 10,809,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,506.35 : 30,240,848.43 = 7,208,160.54 : x
  2. Step 2: Convert to fraction form
    20,165,506.35/30,240,848.43 = 7,208,160.54/x
  3. Step 3: Cross multiply
    20,165,506.35x = 30,240,848.43 × 7,208,160.54
  4. Step 4: Simplify right side
    20,165,506.35x = 217,980,890,349,246.94
  5. Step 5: Solve for x
    x = 217,980,890,349,246.94/20,165,506.35
  6. Step 6: Final answer
    x = 10,809,591.71

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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.