Home / 21,389,412.80-32,084,119.20-7,749,093.80

Finding the Fourth Proportional to 21,389,412.80, 32,084,119.20 and 7,749,093.80

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Solution

The fourth proportional to 21,389,412.80, 32,084,119.20 and 7,749,093.80 is: 11,623,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389,412.80 : 32,084,119.20 = 7,749,093.80 : x
  2. Step 2: Convert to fraction form
    21,389,412.80/32,084,119.20 = 7,749,093.80/x
  3. Step 3: Cross multiply
    21,389,412.80x = 32,084,119.20 × 7,749,093.80
  4. Step 4: Simplify right side
    21,389,412.80x = 248,622,849,171,180.94
  5. Step 5: Solve for x
    x = 248,622,849,171,180.94/21,389,412.80
  6. Step 6: Final answer
    x = 11,623,640.70

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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.