Home / 19,530,946.80-29,296,420.20-18,535,618.80

Finding the Fourth Proportional to 19,530,946.80, 29,296,420.20 and 18,535,618.80

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Solution

The fourth proportional to 19,530,946.80, 29,296,420.20 and 18,535,618.80 is: 27,803,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530,946.80 : 29,296,420.20 = 18,535,618.80 : x
  2. Step 2: Convert to fraction form
    19,530,946.80/29,296,420.20 = 18,535,618.80/x
  3. Step 3: Cross multiply
    19,530,946.80x = 29,296,420.20 × 18,535,618.80
  4. Step 4: Simplify right side
    19,530,946.80x = 543,027,277,031,819.75
  5. Step 5: Solve for x
    x = 543,027,277,031,819.75/19,530,946.80
  6. Step 6: Final answer
    x = 27,803,428.20

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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.