Home / 38,248,918.56-52,781,967.09-20,844,889.20

Finding the Fourth Proportional to 38,248,918.56, 52,781,967.09 and 20,844,889.20

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Solution

The fourth proportional to 38,248,918.56, 52,781,967.09 and 20,844,889.20 is: 28,765,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248,918.56 : 52,781,967.09 = 20,844,889.20 : x
  2. Step 2: Convert to fraction form
    38,248,918.56/52,781,967.09 = 20,844,889.20/x
  3. Step 3: Cross multiply
    38,248,918.56x = 52,781,967.09 × 20,844,889.20
  4. Step 4: Simplify right side
    38,248,918.56x = 1,100,234,255,749,096.50
  5. Step 5: Solve for x
    x = 1,100,234,255,749,096.50/38,248,918.56
  6. Step 6: Final answer
    x = 28,765,107.54

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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.