Home / 47,738,998.12-65,887,718.34-28,164,672.04

Finding the Fourth Proportional to 47,738,998.12, 65,887,718.34 and 28,164,672.04

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Solution

The fourth proportional to 47,738,998.12, 65,887,718.34 and 28,164,672.04 is: 38,871,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,738,998.12 : 65,887,718.34 = 28,164,672.04 : x
  2. Step 2: Convert to fraction form
    47,738,998.12/65,887,718.34 = 28,164,672.04/x
  3. Step 3: Cross multiply
    47,738,998.12x = 65,887,718.34 × 28,164,672.04
  4. Step 4: Simplify right side
    47,738,998.12x = 1,855,705,978,509,993.25
  5. Step 5: Solve for x
    x = 1,855,705,978,509,993.25/47,738,998.12
  6. Step 6: Final answer
    x = 38,871,908.75

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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.