Home / 18,523,220.31-27,789,244.89-6,392,788.41

Finding the Fourth Proportional to 18,523,220.31, 27,789,244.89 and 6,392,788.41

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Solution

The fourth proportional to 18,523,220.31, 27,789,244.89 and 6,392,788.41 is: 9,590,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523,220.31 : 27,789,244.89 = 6,392,788.41 : x
  2. Step 2: Convert to fraction form
    18,523,220.31/27,789,244.89 = 6,392,788.41/x
  3. Step 3: Cross multiply
    18,523,220.31x = 27,789,244.89 × 6,392,788.41
  4. Step 4: Simplify right side
    18,523,220.31x = 177,650,762,655,443.72
  5. Step 5: Solve for x
    x = 177,650,762,655,443.72/18,523,220.31
  6. Step 6: Final answer
    x = 9,590,706.13

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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.