Home / 38,659,059.99-53,350,512.84-21,019,148.91

Finding the Fourth Proportional to 38,659,059.99, 53,350,512.84 and 21,019,148.91

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Solution

The fourth proportional to 38,659,059.99, 53,350,512.84 and 21,019,148.91 is: 29,006,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659,059.99 : 53,350,512.84 = 21,019,148.91 : x
  2. Step 2: Convert to fraction form
    38,659,059.99/53,350,512.84 = 21,019,148.91/x
  3. Step 3: Cross multiply
    38,659,059.99x = 53,350,512.84 × 21,019,148.91
  4. Step 4: Simplify right side
    38,659,059.99x = 1,121,382,373,808,827.12
  5. Step 5: Solve for x
    x = 1,121,382,373,808,827.12/38,659,059.99
  6. Step 6: Final answer
    x = 29,006,974.67

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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.