Home / 21,782,731.77-32,677,566.27-7,210,183.62

Finding the Fourth Proportional to 21,782,731.77, 32,677,566.27 and 7,210,183.62

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Solution

The fourth proportional to 21,782,731.77, 32,677,566.27 and 7,210,183.62 is: 10,816,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782,731.77 : 32,677,566.27 = 7,210,183.62 : x
  2. Step 2: Convert to fraction form
    21,782,731.77/32,677,566.27 = 7,210,183.62/x
  3. Step 3: Cross multiply
    21,782,731.77x = 32,677,566.27 × 7,210,183.62
  4. Step 4: Simplify right side
    21,782,731.77x = 235,611,253,061,418.50
  5. Step 5: Solve for x
    x = 235,611,253,061,418.50/21,782,731.77
  6. Step 6: Final answer
    x = 10,816,423.56

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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.