Home / 21,693,644.40-32,540,466.60-8,907,567.60

Finding the Fourth Proportional to 21,693,644.40, 32,540,466.60 and 8,907,567.60

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Solution

The fourth proportional to 21,693,644.40, 32,540,466.60 and 8,907,567.60 is: 13,361,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,644.40 : 32,540,466.60 = 8,907,567.60 : x
  2. Step 2: Convert to fraction form
    21,693,644.40/32,540,466.60 = 8,907,567.60/x
  3. Step 3: Cross multiply
    21,693,644.40x = 32,540,466.60 × 8,907,567.60
  4. Step 4: Simplify right side
    21,693,644.40x = 289,856,405,975,042.19
  5. Step 5: Solve for x
    x = 289,856,405,975,042.19/21,693,644.40
  6. Step 6: Final answer
    x = 13,361,351.40

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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.