Home / 19,648,401.69-29,440,019.46-11,948,755.53

Finding the Fourth Proportional to 19,648,401.69, 29,440,019.46 and 11,948,755.53

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Solution

The fourth proportional to 19,648,401.69, 29,440,019.46 and 11,948,755.53 is: 17,903,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648,401.69 : 29,440,019.46 = 11,948,755.53 : x
  2. Step 2: Convert to fraction form
    19,648,401.69/29,440,019.46 = 11,948,755.53/x
  3. Step 3: Cross multiply
    19,648,401.69x = 29,440,019.46 × 11,948,755.53
  4. Step 4: Simplify right side
    19,648,401.69x = 351,771,595,325,982.62
  5. Step 5: Solve for x
    x = 351,771,595,325,982.62/19,648,401.69
  6. Step 6: Final answer
    x = 17,903,318.59

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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.