Home / 21,787,122.28-32,650,096.72-17,218,085.08

Finding the Fourth Proportional to 21,787,122.28, 32,650,096.72 and 17,218,085.08

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Solution

The fourth proportional to 21,787,122.28, 32,650,096.72 and 17,218,085.08 is: 25,802,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,122.28 : 32,650,096.72 = 17,218,085.08 : x
  2. Step 2: Convert to fraction form
    21,787,122.28/32,650,096.72 = 17,218,085.08/x
  3. Step 3: Cross multiply
    21,787,122.28x = 32,650,096.72 × 17,218,085.08
  4. Step 4: Simplify right side
    21,787,122.28x = 562,172,143,195,188.88
  5. Step 5: Solve for x
    x = 562,172,143,195,188.88/21,787,122.28
  6. Step 6: Final answer
    x = 25,802,955.34

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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.