Home / 21,994,935.40-30,352,213.38-12,205,806.76

Finding the Fourth Proportional to 21,994,935.40, 30,352,213.38 and 12,205,806.76

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Solution

The fourth proportional to 21,994,935.40, 30,352,213.38 and 12,205,806.76 is: 16,843,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994,935.40 : 30,352,213.38 = 12,205,806.76 : x
  2. Step 2: Convert to fraction form
    21,994,935.40/30,352,213.38 = 12,205,806.76/x
  3. Step 3: Cross multiply
    21,994,935.40x = 30,352,213.38 × 12,205,806.76
  4. Step 4: Simplify right side
    21,994,935.40x = 370,473,251,254,566.44
  5. Step 5: Solve for x
    x = 370,473,251,254,566.44/21,994,935.40
  6. Step 6: Final answer
    x = 16,843,570.78

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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.