Home / 22,236,310.02-30,686,421.22-12,811,892.41

Finding the Fourth Proportional to 22,236,310.02, 30,686,421.22 and 12,811,892.41

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Solution

The fourth proportional to 22,236,310.02, 30,686,421.22 and 12,811,892.41 is: 17,680,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236,310.02 : 30,686,421.22 = 12,811,892.41 : x
  2. Step 2: Convert to fraction form
    22,236,310.02/30,686,421.22 = 12,811,892.41/x
  3. Step 3: Cross multiply
    22,236,310.02x = 30,686,421.22 × 12,811,892.41
  4. Step 4: Simplify right side
    22,236,310.02x = 393,151,127,013,487.44
  5. Step 5: Solve for x
    x = 393,151,127,013,487.44/22,236,310.02
  6. Step 6: Final answer
    x = 17,680,592.09

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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.