Home / 38,062,740.47-52,526,449.40-20,659,085.64

Finding the Fourth Proportional to 38,062,740.47, 52,526,449.40 and 20,659,085.64

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Solution

The fourth proportional to 38,062,740.47, 52,526,449.40 and 20,659,085.64 is: 28,509,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,062,740.47 : 52,526,449.40 = 20,659,085.64 : x
  2. Step 2: Convert to fraction form
    38,062,740.47/52,526,449.40 = 20,659,085.64/x
  3. Step 3: Cross multiply
    38,062,740.47x = 52,526,449.40 × 20,659,085.64
  4. Step 4: Simplify right side
    38,062,740.47x = 1,085,148,416,416,431.25
  5. Step 5: Solve for x
    x = 1,085,148,416,416,431.25/38,062,740.47
  6. Step 6: Final answer
    x = 28,509,466.30

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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.