Home / 20,996,803.36-28,975,588.44-11,339,011.36

Finding the Fourth Proportional to 20,996,803.36, 28,975,588.44 and 11,339,011.36

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Solution

The fourth proportional to 20,996,803.36, 28,975,588.44 and 11,339,011.36 is: 15,647,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,803.36 : 28,975,588.44 = 11,339,011.36 : x
  2. Step 2: Convert to fraction form
    20,996,803.36/28,975,588.44 = 11,339,011.36/x
  3. Step 3: Cross multiply
    20,996,803.36x = 28,975,588.44 × 11,339,011.36
  4. Step 4: Simplify right side
    20,996,803.36x = 328,554,526,483,844.69
  5. Step 5: Solve for x
    x = 328,554,526,483,844.69/20,996,803.36
  6. Step 6: Final answer
    x = 15,647,835.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.