Home / 22,236,311.02-30,686,422.60-12,811,893.41

Finding the Fourth Proportional to 22,236,311.02, 30,686,422.60 and 12,811,893.41

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Solution

The fourth proportional to 22,236,311.02, 30,686,422.60 and 12,811,893.41 is: 17,680,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236,311.02 : 30,686,422.60 = 12,811,893.41 : x
  2. Step 2: Convert to fraction form
    22,236,311.02/30,686,422.60 = 12,811,893.41/x
  3. Step 3: Cross multiply
    22,236,311.02x = 30,686,422.60 × 12,811,893.41
  4. Step 4: Simplify right side
    22,236,311.02x = 393,151,175,485,415.06
  5. Step 5: Solve for x
    x = 393,151,175,485,415.06/22,236,311.02
  6. Step 6: Final answer
    x = 17,680,593.47

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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.