Home / 9,138,749.44-12,611,153.92-5,064,747.52

Finding the Fourth Proportional to 9,138,749.44, 12,611,153.92 and 5,064,747.52

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Solution

The fourth proportional to 9,138,749.44, 12,611,153.92 and 5,064,747.52 is: 6,989,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,749.44 : 12,611,153.92 = 5,064,747.52 : x
  2. Step 2: Convert to fraction form
    9,138,749.44/12,611,153.92 = 5,064,747.52/x
  3. Step 3: Cross multiply
    9,138,749.44x = 12,611,153.92 × 5,064,747.52
  4. Step 4: Simplify right side
    9,138,749.44x = 63,872,310,540,658.27
  5. Step 5: Solve for x
    x = 63,872,310,540,658.27/9,138,749.44
  6. Step 6: Final answer
    x = 6,989,174.06

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1.5x scale

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.