Home / 20,173,930.40-30,260,895.60-17,780,477.60

Finding the Fourth Proportional to 20,173,930.40, 30,260,895.60 and 17,780,477.60

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Solution

The fourth proportional to 20,173,930.40, 30,260,895.60 and 17,780,477.60 is: 26,670,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,930.40 : 30,260,895.60 = 17,780,477.60 : x
  2. Step 2: Convert to fraction form
    20,173,930.40/30,260,895.60 = 17,780,477.60/x
  3. Step 3: Cross multiply
    20,173,930.40x = 30,260,895.60 × 17,780,477.60
  4. Step 4: Simplify right side
    20,173,930.40x = 538,053,176,371,738.62
  5. Step 5: Solve for x
    x = 538,053,176,371,738.62/20,173,930.40
  6. Step 6: Final answer
    x = 26,670,716.40

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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.