Home / 7,038,394.46-9,713,134.14-3,982,608.72

Finding the Fourth Proportional to 7,038,394.46, 9,713,134.14 and 3,982,608.72

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Solution

The fourth proportional to 7,038,394.46, 9,713,134.14 and 3,982,608.72 is: 5,496,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,394.46 : 9,713,134.14 = 3,982,608.72 : x
  2. Step 2: Convert to fraction form
    7,038,394.46/9,713,134.14 = 3,982,608.72/x
  3. Step 3: Cross multiply
    7,038,394.46x = 9,713,134.14 × 3,982,608.72
  4. Step 4: Simplify right side
    7,038,394.46x = 38,683,612,724,493.70
  5. Step 5: Solve for x
    x = 38,683,612,724,493.70/7,038,394.46
  6. Step 6: Final answer
    x = 5,496,084.79

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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.