Home / 7,422,732.20-10,243,622.58-7,082,609.96

Finding the Fourth Proportional to 7,422,732.20, 10,243,622.58 and 7,082,609.96

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Solution

The fourth proportional to 7,422,732.20, 10,243,622.58 and 7,082,609.96 is: 9,774,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,732.20 : 10,243,622.58 = 7,082,609.96 : x
  2. Step 2: Convert to fraction form
    7,422,732.20/10,243,622.58 = 7,082,609.96/x
  3. Step 3: Cross multiply
    7,422,732.20x = 10,243,622.58 × 7,082,609.96
  4. Step 4: Simplify right side
    7,422,732.20x = 72,551,583,311,588.89
  5. Step 5: Solve for x
    x = 72,551,583,311,588.89/7,422,732.20
  6. Step 6: Final answer
    x = 9,774,242.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.