Home / 53,640,012.20-80,460,018.30-19,562,469.80

Finding the Fourth Proportional to 53,640,012.20, 80,460,018.30 and 19,562,469.80

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Solution

The fourth proportional to 53,640,012.20, 80,460,018.30 and 19,562,469.80 is: 29,343,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640,012.20 : 80,460,018.30 = 19,562,469.80 : x
  2. Step 2: Convert to fraction form
    53,640,012.20/80,460,018.30 = 19,562,469.80/x
  3. Step 3: Cross multiply
    53,640,012.20x = 80,460,018.30 × 19,562,469.80
  4. Step 4: Simplify right side
    53,640,012.20x = 1,573,996,678,101,197.25
  5. Step 5: Solve for x
    x = 1,573,996,678,101,197.25/53,640,012.20
  6. Step 6: Final answer
    x = 29,343,704.70

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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.