Home / 20,684,348.58-31,004,969.99-11,573,087.88

Finding the Fourth Proportional to 20,684,348.58, 31,004,969.99 and 11,573,087.88

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Solution

The fourth proportional to 20,684,348.58, 31,004,969.99 and 11,573,087.88 is: 17,347,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,348.58 : 31,004,969.99 = 11,573,087.88 : x
  2. Step 2: Convert to fraction form
    20,684,348.58/31,004,969.99 = 11,573,087.88/x
  3. Step 3: Cross multiply
    20,684,348.58x = 31,004,969.99 × 11,573,087.88
  4. Step 4: Simplify right side
    20,684,348.58x = 358,823,242,411,032.75
  5. Step 5: Solve for x
    x = 358,823,242,411,032.75/20,684,348.58
  6. Step 6: Final answer
    x = 17,347,572.78

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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.