Home / 38,063,431.68-52,526,128.44-20,659,405.96

Finding the Fourth Proportional to 38,063,431.68, 52,526,128.44 and 20,659,405.96

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Solution

The fourth proportional to 38,063,431.68, 52,526,128.44 and 20,659,405.96 is: 28,509,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063,431.68 : 52,526,128.44 = 20,659,405.96 : x
  2. Step 2: Convert to fraction form
    38,063,431.68/52,526,128.44 = 20,659,405.96/x
  3. Step 3: Cross multiply
    38,063,431.68x = 52,526,128.44 × 20,659,405.96
  4. Step 4: Simplify right side
    38,063,431.68x = 1,085,158,610,949,061.50
  5. Step 5: Solve for x
    x = 1,085,158,610,949,061.50/38,063,431.68
  6. Step 6: Final answer
    x = 28,509,216.41

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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.