Home / 7,218,318-9,961,281-4,317,831.12

Finding the Fourth Proportional to 7,218,318, 9,961,281 and 4,317,831.12

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Solution

The fourth proportional to 7,218,318, 9,961,281 and 4,317,831.12 is: 5,958,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,318 : 9,961,281 = 4,317,831.12 : x
  2. Step 2: Convert to fraction form
    7,218,318/9,961,281 = 4,317,831.12/x
  3. Step 3: Cross multiply
    7,218,318x = 9,961,281 × 4,317,831.12
  4. Step 4: Simplify right side
    7,218,318x = 43,011,129,096,864.72
  5. Step 5: Solve for x
    x = 43,011,129,096,864.72/7,218,318
  6. Step 6: Final answer
    x = 5,958,608.24

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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.