Home / 22,236,310.65-30,686,422.08-12,811,893.03

Finding the Fourth Proportional to 22,236,310.65, 30,686,422.08 and 12,811,893.03

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Solution

The fourth proportional to 22,236,310.65, 30,686,422.08 and 12,811,893.03 is: 17,680,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236,310.65 : 30,686,422.08 = 12,811,893.03 : x
  2. Step 2: Convert to fraction form
    22,236,310.65/30,686,422.08 = 12,811,893.03/x
  3. Step 3: Cross multiply
    22,236,310.65x = 30,686,422.08 × 12,811,893.03
  4. Step 4: Simplify right side
    22,236,310.65x = 393,151,157,194,419.81
  5. Step 5: Solve for x
    x = 393,151,157,194,419.81/22,236,310.65
  6. Step 6: Final answer
    x = 17,680,592.95

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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.