Home / 47,808,328-71,712,754.44-11,906,536

Finding the Fourth Proportional to 47,808,328, 71,712,754.44 and 11,906,536

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Solution

The fourth proportional to 47,808,328, 71,712,754.44 and 11,906,536 is: 17,859,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808,328 : 71,712,754.44 = 11,906,536 : x
  2. Step 2: Convert to fraction form
    47,808,328/71,712,754.44 = 11,906,536/x
  3. Step 3: Cross multiply
    47,808,328x = 71,712,754.44 × 11,906,536
  4. Step 4: Simplify right side
    47,808,328x = 853,850,492,399,019.75
  5. Step 5: Solve for x
    x = 853,850,492,399,019.75/47,808,328
  6. Step 6: Final answer
    x = 17,859,869.36

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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.