Home / 21,661,562.40-32,504,785.20-8,208,045.60

Finding the Fourth Proportional to 21,661,562.40, 32,504,785.20 and 8,208,045.60

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Solution

The fourth proportional to 21,661,562.40, 32,504,785.20 and 8,208,045.60 is: 12,316,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661,562.40 : 32,504,785.20 = 8,208,045.60 : x
  2. Step 2: Convert to fraction form
    21,661,562.40/32,504,785.20 = 8,208,045.60/x
  3. Step 3: Cross multiply
    21,661,562.40x = 32,504,785.20 × 8,208,045.60
  4. Step 4: Simplify right side
    21,661,562.40x = 266,800,759,139,805.09
  5. Step 5: Solve for x
    x = 266,800,759,139,805.09/21,661,562.40
  6. Step 6: Final answer
    x = 12,316,782.80

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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.