Home / 13,197,961.14-18,213,900.21-7,398,605.76

Finding the Fourth Proportional to 13,197,961.14, 18,213,900.21 and 7,398,605.76

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Solution

The fourth proportional to 13,197,961.14, 18,213,900.21 and 7,398,605.76 is: 10,210,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,961.14 : 18,213,900.21 = 7,398,605.76 : x
  2. Step 2: Convert to fraction form
    13,197,961.14/18,213,900.21 = 7,398,605.76/x
  3. Step 3: Cross multiply
    13,197,961.14x = 18,213,900.21 × 7,398,605.76
  4. Step 4: Simplify right side
    13,197,961.14x = 134,757,467,005,771.22
  5. Step 5: Solve for x
    x = 134,757,467,005,771.22/13,197,961.14
  6. Step 6: Final answer
    x = 10,210,476.12

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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.