Home / 21,452,558.40-32,179,615.20-6,308,020.80

Finding the Fourth Proportional to 21,452,558.40, 32,179,615.20 and 6,308,020.80

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Solution

The fourth proportional to 21,452,558.40, 32,179,615.20 and 6,308,020.80 is: 9,462,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452,558.40 : 32,179,615.20 = 6,308,020.80 : x
  2. Step 2: Convert to fraction form
    21,452,558.40/32,179,615.20 = 6,308,020.80/x
  3. Step 3: Cross multiply
    21,452,558.40x = 32,179,615.20 × 6,308,020.80
  4. Step 4: Simplify right side
    21,452,558.40x = 202,989,682,017,596.16
  5. Step 5: Solve for x
    x = 202,989,682,017,596.16/21,452,558.40
  6. Step 6: Final answer
    x = 9,462,259.85

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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.