Home / 18,789,939.26-28,184,908.90-4,606,515.26

Finding the Fourth Proportional to 18,789,939.26, 28,184,908.90 and 4,606,515.26

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Solution

The fourth proportional to 18,789,939.26, 28,184,908.90 and 4,606,515.26 is: 6,909,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,939.26 : 28,184,908.90 = 4,606,515.26 : x
  2. Step 2: Convert to fraction form
    18,789,939.26/28,184,908.90 = 4,606,515.26/x
  3. Step 3: Cross multiply
    18,789,939.26x = 28,184,908.90 × 4,606,515.26
  4. Step 4: Simplify right side
    18,789,939.26x = 129,834,212,949,559.80
  5. Step 5: Solve for x
    x = 129,834,212,949,559.80/18,789,939.26
  6. Step 6: Final answer
    x = 6,909,772.89

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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.