Home / 20,684,347.58-31,004,968.49-11,573,086.88

Finding the Fourth Proportional to 20,684,347.58, 31,004,968.49 and 11,573,086.88

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Solution

The fourth proportional to 20,684,347.58, 31,004,968.49 and 11,573,086.88 is: 17,347,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,347.58 : 31,004,968.49 = 11,573,086.88 : x
  2. Step 2: Convert to fraction form
    20,684,347.58/31,004,968.49 = 11,573,086.88/x
  3. Step 3: Cross multiply
    20,684,347.58x = 31,004,968.49 × 11,573,086.88
  4. Step 4: Simplify right side
    20,684,347.58x = 358,823,194,109,478.50
  5. Step 5: Solve for x
    x = 358,823,194,109,478.50/20,684,347.58
  6. Step 6: Final answer
    x = 17,347,571.28

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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.