Home / 38,005,911.45-52,448,227.79-20,602,202.85

Finding the Fourth Proportional to 38,005,911.45, 52,448,227.79 and 20,602,202.85

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Solution

The fourth proportional to 38,005,911.45, 52,448,227.79 and 20,602,202.85 is: 28,431,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005,911.45 : 52,448,227.79 = 20,602,202.85 : x
  2. Step 2: Convert to fraction form
    38,005,911.45/52,448,227.79 = 20,602,202.85/x
  3. Step 3: Cross multiply
    38,005,911.45x = 52,448,227.79 × 20,602,202.85
  4. Step 4: Simplify right side
    38,005,911.45x = 1,080,549,027,949,576.25
  5. Step 5: Solve for x
    x = 1,080,549,027,949,576.25/38,005,911.45
  6. Step 6: Final answer
    x = 28,431,077.87

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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.