Home / 20,066,622.88-30,100,558.56-9,547,991.20

Finding the Fourth Proportional to 20,066,622.88, 30,100,558.56 and 9,547,991.20

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Solution

The fourth proportional to 20,066,622.88, 30,100,558.56 and 9,547,991.20 is: 14,322,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066,622.88 : 30,100,558.56 = 9,547,991.20 : x
  2. Step 2: Convert to fraction form
    20,066,622.88/30,100,558.56 = 9,547,991.20/x
  3. Step 3: Cross multiply
    20,066,622.88x = 30,100,558.56 × 9,547,991.20
  4. Step 4: Simplify right side
    20,066,622.88x = 287,399,868,245,964.62
  5. Step 5: Solve for x
    x = 287,399,868,245,964.62/20,066,622.88
  6. Step 6: Final answer
    x = 14,322,283.82

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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.