Home / 12,220,915.22-16,865,144.40-6,714,633.50

Finding the Fourth Proportional to 12,220,915.22, 16,865,144.40 and 6,714,633.50

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Solution

The fourth proportional to 12,220,915.22, 16,865,144.40 and 6,714,633.50 is: 9,266,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,915.22 : 16,865,144.40 = 6,714,633.50 : x
  2. Step 2: Convert to fraction form
    12,220,915.22/16,865,144.40 = 6,714,633.50/x
  3. Step 3: Cross multiply
    12,220,915.22x = 16,865,144.40 × 6,714,633.50
  4. Step 4: Simplify right side
    12,220,915.22x = 113,243,263,570,577.39
  5. Step 5: Solve for x
    x = 113,243,263,570,577.39/12,220,915.22
  6. Step 6: Final answer
    x = 9,266,348.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.