Home / 21,983,912.68-30,338,285.80-12,194,038.04

Finding the Fourth Proportional to 21,983,912.68, 30,338,285.80 and 12,194,038.04

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Solution

The fourth proportional to 21,983,912.68, 30,338,285.80 and 12,194,038.04 is: 16,828,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983,912.68 : 30,338,285.80 = 12,194,038.04 : x
  2. Step 2: Convert to fraction form
    21,983,912.68/30,338,285.80 = 12,194,038.04/x
  3. Step 3: Cross multiply
    21,983,912.68x = 30,338,285.80 × 12,194,038.04
  4. Step 4: Simplify right side
    21,983,912.68x = 369,946,211,113,591.81
  5. Step 5: Solve for x
    x = 369,946,211,113,591.81/21,983,912.68
  6. Step 6: Final answer
    x = 16,828,042.24

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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.