Home / 13,686,092-20,528,340.96-3,588,709.76

Finding the Fourth Proportional to 13,686,092, 20,528,340.96 and 3,588,709.76

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Solution

The fourth proportional to 13,686,092, 20,528,340.96 and 3,588,709.76 is: 5,382,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,686,092 : 20,528,340.96 = 3,588,709.76 : x
  2. Step 2: Convert to fraction form
    13,686,092/20,528,340.96 = 3,588,709.76/x
  3. Step 3: Cross multiply
    13,686,092x = 20,528,340.96 × 3,588,709.76
  4. Step 4: Simplify right side
    13,686,092x = 73,670,257,559,759.77
  5. Step 5: Solve for x
    x = 73,670,257,559,759.77/13,686,092
  6. Step 6: Final answer
    x = 5,382,855.64

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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.