Home / 21,504,081.40-32,256,122.10-7,320,657.40

Finding the Fourth Proportional to 21,504,081.40, 32,256,122.10 and 7,320,657.40

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Solution

The fourth proportional to 21,504,081.40, 32,256,122.10 and 7,320,657.40 is: 10,980,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,081.40 : 32,256,122.10 = 7,320,657.40 : x
  2. Step 2: Convert to fraction form
    21,504,081.40/32,256,122.10 = 7,320,657.40/x
  3. Step 3: Cross multiply
    21,504,081.40x = 32,256,122.10 × 7,320,657.40
  4. Step 4: Simplify right side
    21,504,081.40x = 236,136,018,946,668.56
  5. Step 5: Solve for x
    x = 236,136,018,946,668.56/21,504,081.40
  6. Step 6: Final answer
    x = 10,980,986.10

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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.