Home / 21,733,816.80-32,600,725.20-9,789,880.80

Finding the Fourth Proportional to 21,733,816.80, 32,600,725.20 and 9,789,880.80

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Solution

The fourth proportional to 21,733,816.80, 32,600,725.20 and 9,789,880.80 is: 14,684,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733,816.80 : 32,600,725.20 = 9,789,880.80 : x
  2. Step 2: Convert to fraction form
    21,733,816.80/32,600,725.20 = 9,789,880.80/x
  3. Step 3: Cross multiply
    21,733,816.80x = 32,600,725.20 × 9,789,880.80
  4. Step 4: Simplify right side
    21,733,816.80x = 319,157,213,701,556.19
  5. Step 5: Solve for x
    x = 319,157,213,701,556.19/21,733,816.80
  6. Step 6: Final answer
    x = 14,684,821.20

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Double scale
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1.5x scale

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.