Home / 21,705,153.80-32,557,730.70-16,681,819.40

Finding the Fourth Proportional to 21,705,153.80, 32,557,730.70 and 16,681,819.40

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Solution

The fourth proportional to 21,705,153.80, 32,557,730.70 and 16,681,819.40 is: 25,022,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,153.80 : 32,557,730.70 = 16,681,819.40 : x
  2. Step 2: Convert to fraction form
    21,705,153.80/32,557,730.70 = 16,681,819.40/x
  3. Step 3: Cross multiply
    21,705,153.80x = 32,557,730.70 × 16,681,819.40
  4. Step 4: Simplify right side
    21,705,153.80x = 543,122,183,611,235.56
  5. Step 5: Solve for x
    x = 543,122,183,611,235.56/21,705,153.80
  6. Step 6: Final answer
    x = 25,022,729.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.