Home / 7,038,396.46-9,713,136.90-3,982,610.72

Finding the Fourth Proportional to 7,038,396.46, 9,713,136.90 and 3,982,610.72

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Solution

The fourth proportional to 7,038,396.46, 9,713,136.90 and 3,982,610.72 is: 5,496,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,396.46 : 9,713,136.90 = 3,982,610.72 : x
  2. Step 2: Convert to fraction form
    7,038,396.46/9,713,136.90 = 3,982,610.72/x
  3. Step 3: Cross multiply
    7,038,396.46x = 9,713,136.90 × 3,982,610.72
  4. Step 4: Simplify right side
    7,038,396.46x = 38,683,643,142,767.57
  5. Step 5: Solve for x
    x = 38,683,643,142,767.57/7,038,396.46
  6. Step 6: Final answer
    x = 5,496,087.55

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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.