Home / 13,106,066.34-18,086,455.50-7,305,215.94

Finding the Fourth Proportional to 13,106,066.34, 18,086,455.50 and 7,305,215.94

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Solution

The fourth proportional to 13,106,066.34, 18,086,455.50 and 7,305,215.94 is: 10,081,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,066.34 : 18,086,455.50 = 7,305,215.94 : x
  2. Step 2: Convert to fraction form
    13,106,066.34/18,086,455.50 = 7,305,215.94/x
  3. Step 3: Cross multiply
    13,106,066.34x = 18,086,455.50 × 7,305,215.94
  4. Step 4: Simplify right side
    13,106,066.34x = 132,125,463,016,700.67
  5. Step 5: Solve for x
    x = 132,125,463,016,700.67/13,106,066.34
  6. Step 6: Final answer
    x = 10,081,244.79

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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.