Home / 9,729,736.19-13,425,869.77-5,378,230.85

Finding the Fourth Proportional to 9,729,736.19, 13,425,869.77 and 5,378,230.85

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Solution

The fourth proportional to 9,729,736.19, 13,425,869.77 and 5,378,230.85 is: 7,421,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729,736.19 : 13,425,869.77 = 5,378,230.85 : x
  2. Step 2: Convert to fraction form
    9,729,736.19/13,425,869.77 = 5,378,230.85/x
  3. Step 3: Cross multiply
    9,729,736.19x = 13,425,869.77 × 5,378,230.85
  4. Step 4: Simplify right side
    9,729,736.19x = 72,207,426,985,096.39
  5. Step 5: Solve for x
    x = 72,207,426,985,096.39/9,729,736.19
  6. Step 6: Final answer
    x = 7,421,313.96

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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.