Home / 21,805,377.54-30,091,622.82-12,016,172.05

Finding the Fourth Proportional to 21,805,377.54, 30,091,622.82 and 12,016,172.05

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Solution

The fourth proportional to 21,805,377.54, 30,091,622.82 and 12,016,172.05 is: 16,582,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,377.54 : 30,091,622.82 = 12,016,172.05 : x
  2. Step 2: Convert to fraction form
    21,805,377.54/30,091,622.82 = 12,016,172.05/x
  3. Step 3: Cross multiply
    21,805,377.54x = 30,091,622.82 × 12,016,172.05
  4. Step 4: Simplify right side
    21,805,377.54x = 361,586,117,068,826.19
  5. Step 5: Solve for x
    x = 361,586,117,068,826.19/21,805,377.54
  6. Step 6: Final answer
    x = 16,582,428.64

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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.