Home / 13,586,260.72-18,749,039.16-7,474,558

Finding the Fourth Proportional to 13,586,260.72, 18,749,039.16 and 7,474,558

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Solution

The fourth proportional to 13,586,260.72, 18,749,039.16 and 7,474,558 is: 10,314,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,260.72 : 18,749,039.16 = 7,474,558 : x
  2. Step 2: Convert to fraction form
    13,586,260.72/18,749,039.16 = 7,474,558/x
  3. Step 3: Cross multiply
    13,586,260.72x = 18,749,039.16 × 7,474,558
  4. Step 4: Simplify right side
    13,586,260.72x = 140,140,780,645,691.28
  5. Step 5: Solve for x
    x = 140,140,780,645,691.28/13,586,260.72
  6. Step 6: Final answer
    x = 10,314,889.69

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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.