Home / 13,299,732.72-18,353,264.58-7,498,464.12

Finding the Fourth Proportional to 13,299,732.72, 18,353,264.58 and 7,498,464.12

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Solution

The fourth proportional to 13,299,732.72, 18,353,264.58 and 7,498,464.12 is: 10,347,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,732.72 : 18,353,264.58 = 7,498,464.12 : x
  2. Step 2: Convert to fraction form
    13,299,732.72/18,353,264.58 = 7,498,464.12/x
  3. Step 3: Cross multiply
    13,299,732.72x = 18,353,264.58 × 7,498,464.12
  4. Step 4: Simplify right side
    13,299,732.72x = 137,621,295,937,996.86
  5. Step 5: Solve for x
    x = 137,621,295,937,996.86/13,299,732.72
  6. Step 6: Final answer
    x = 10,347,673.81

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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.