Home / 20,463,345.60-30,719,901.60-15,374,731.20

Finding the Fourth Proportional to 20,463,345.60, 30,719,901.60 and 15,374,731.20

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Solution

The fourth proportional to 20,463,345.60, 30,719,901.60 and 15,374,731.20 is: 23,080,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463,345.60 : 30,719,901.60 = 15,374,731.20 : x
  2. Step 2: Convert to fraction form
    20,463,345.60/30,719,901.60 = 15,374,731.20/x
  3. Step 3: Cross multiply
    20,463,345.60x = 30,719,901.60 × 15,374,731.20
  4. Step 4: Simplify right side
    20,463,345.60x = 472,310,229,590,449.94
  5. Step 5: Solve for x
    x = 472,310,229,590,449.94/20,463,345.60
  6. Step 6: Final answer
    x = 23,080,792.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.