Home / 47,808,329-71,712,755.94-11,906,537

Finding the Fourth Proportional to 47,808,329, 71,712,755.94 and 11,906,537

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Solution

The fourth proportional to 47,808,329, 71,712,755.94 and 11,906,537 is: 17,859,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808,329 : 71,712,755.94 = 11,906,537 : x
  2. Step 2: Convert to fraction form
    47,808,329/71,712,755.94 = 11,906,537/x
  3. Step 3: Cross multiply
    47,808,329x = 71,712,755.94 × 11,906,537
  4. Step 4: Simplify right side
    47,808,329x = 853,850,581,971,579.75
  5. Step 5: Solve for x
    x = 853,850,581,971,579.75/47,808,329
  6. Step 6: Final answer
    x = 17,859,870.86

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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.