Home / 20,535,899.50-30,818,920.50-16,540,625.62

Finding the Fourth Proportional to 20,535,899.50, 30,818,920.50 and 16,540,625.62

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Solution

The fourth proportional to 20,535,899.50, 30,818,920.50 and 16,540,625.62 is: 24,823,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,899.50 : 30,818,920.50 = 16,540,625.62 : x
  2. Step 2: Convert to fraction form
    20,535,899.50/30,818,920.50 = 16,540,625.62/x
  3. Step 3: Cross multiply
    20,535,899.50x = 30,818,920.50 × 16,540,625.62
  4. Step 4: Simplify right side
    20,535,899.50x = 509,764,226,003,043.19
  5. Step 5: Solve for x
    x = 509,764,226,003,043.19/20,535,899.50
  6. Step 6: Final answer
    x = 24,823,077.56

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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.