Home / 19,196,238.56-28,814,281.40-11,124,983.84

Finding the Fourth Proportional to 19,196,238.56, 28,814,281.40 and 11,124,983.84

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Solution

The fourth proportional to 19,196,238.56, 28,814,281.40 and 11,124,983.84 is: 16,699,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196,238.56 : 28,814,281.40 = 11,124,983.84 : x
  2. Step 2: Convert to fraction form
    19,196,238.56/28,814,281.40 = 11,124,983.84/x
  3. Step 3: Cross multiply
    19,196,238.56x = 28,814,281.40 × 11,124,983.84
  4. Step 4: Simplify right side
    19,196,238.56x = 320,558,414,936,212.56
  5. Step 5: Solve for x
    x = 320,558,414,936,212.56/19,196,238.56
  6. Step 6: Final answer
    x = 16,699,022.26

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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.