Home / 20,498,477.60-30,733,719.60-9,720,941.60

Finding the Fourth Proportional to 20,498,477.60, 30,733,719.60 and 9,720,941.60

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Solution

The fourth proportional to 20,498,477.60, 30,733,719.60 and 9,720,941.60 is: 14,574,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,477.60 : 30,733,719.60 = 9,720,941.60 : x
  2. Step 2: Convert to fraction form
    20,498,477.60/30,733,719.60 = 9,720,941.60/x
  3. Step 3: Cross multiply
    20,498,477.60x = 30,733,719.60 × 9,720,941.60
  4. Step 4: Simplify right side
    20,498,477.60x = 298,760,693,382,375.38
  5. Step 5: Solve for x
    x = 298,760,693,382,375.38/20,498,477.60
  6. Step 6: Final answer
    x = 14,574,774.73

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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.