Home / 20,883,528.42-31,356,042.96-11,679,533.64

Finding the Fourth Proportional to 20,883,528.42, 31,356,042.96 and 11,679,533.64

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Solution

The fourth proportional to 20,883,528.42, 31,356,042.96 and 11,679,533.64 is: 17,536,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,528.42 : 31,356,042.96 = 11,679,533.64 : x
  2. Step 2: Convert to fraction form
    20,883,528.42/31,356,042.96 = 11,679,533.64/x
  3. Step 3: Cross multiply
    20,883,528.42x = 31,356,042.96 × 11,679,533.64
  4. Step 4: Simplify right side
    20,883,528.42x = 366,223,958,568,605.19
  5. Step 5: Solve for x
    x = 366,223,958,568,605.19/20,883,528.42
  6. Step 6: Final answer
    x = 17,536,498.20

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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.