Home / 13,684,910.86-18,884,408.61-7,489,944.95

Finding the Fourth Proportional to 13,684,910.86, 18,884,408.61 and 7,489,944.95

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Solution

The fourth proportional to 13,684,910.86, 18,884,408.61 and 7,489,944.95 is: 10,335,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,910.86 : 18,884,408.61 = 7,489,944.95 : x
  2. Step 2: Convert to fraction form
    13,684,910.86/18,884,408.61 = 7,489,944.95/x
  3. Step 3: Cross multiply
    13,684,910.86x = 18,884,408.61 × 7,489,944.95
  4. Step 4: Simplify right side
    13,684,910.86x = 141,443,180,899,965.12
  5. Step 5: Solve for x
    x = 141,443,180,899,965.12/13,684,910.86
  6. Step 6: Final answer
    x = 10,335,703.49

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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.