Home / 20,714,038.28-28,597,621.37-18,415,840.27

Finding the Fourth Proportional to 20,714,038.28, 28,597,621.37 and 18,415,840.27

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Solution

The fourth proportional to 20,714,038.28, 28,597,621.37 and 18,415,840.27 is: 25,424,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714,038.28 : 28,597,621.37 = 18,415,840.27 : x
  2. Step 2: Convert to fraction form
    20,714,038.28/28,597,621.37 = 18,415,840.27/x
  3. Step 3: Cross multiply
    20,714,038.28x = 28,597,621.37 × 18,415,840.27
  4. Step 4: Simplify right side
    20,714,038.28x = 526,649,227,251,858.56
  5. Step 5: Solve for x
    x = 526,649,227,251,858.56/20,714,038.28
  6. Step 6: Final answer
    x = 25,424,749.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.