Home / 13,527,249.60-18,668,319.84-7,415,935.68

Finding the Fourth Proportional to 13,527,249.60, 18,668,319.84 and 7,415,935.68

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Solution

The fourth proportional to 13,527,249.60, 18,668,319.84 and 7,415,935.68 is: 10,234,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527,249.60 : 18,668,319.84 = 7,415,935.68 : x
  2. Step 2: Convert to fraction form
    13,527,249.60/18,668,319.84 = 7,415,935.68/x
  3. Step 3: Cross multiply
    13,527,249.60x = 18,668,319.84 × 7,415,935.68
  4. Step 4: Simplify right side
    13,527,249.60x = 138,443,059,187,107.89
  5. Step 5: Solve for x
    x = 138,443,059,187,107.89/13,527,249.60
  6. Step 6: Final answer
    x = 10,234,383.43

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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.