Home / 12,108,954.10-18,153,143.71-5,635,788.46

Finding the Fourth Proportional to 12,108,954.10, 18,153,143.71 and 5,635,788.46

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Solution

The fourth proportional to 12,108,954.10, 18,153,143.71 and 5,635,788.46 is: 8,448,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,954.10 : 18,153,143.71 = 5,635,788.46 : x
  2. Step 2: Convert to fraction form
    12,108,954.10/18,153,143.71 = 5,635,788.46/x
  3. Step 3: Cross multiply
    12,108,954.10x = 18,153,143.71 × 5,635,788.46
  4. Step 4: Simplify right side
    12,108,954.10x = 102,307,277,805,360.64
  5. Step 5: Solve for x
    x = 102,307,277,805,360.64/12,108,954.10
  6. Step 6: Final answer
    x = 8,448,894.67

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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.