Home / 19,243,733.92-26,550,104.40-13,121,533.60

Finding the Fourth Proportional to 19,243,733.92, 26,550,104.40 and 13,121,533.60

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Solution

The fourth proportional to 19,243,733.92, 26,550,104.40 and 13,121,533.60 is: 18,103,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243,733.92 : 26,550,104.40 = 13,121,533.60 : x
  2. Step 2: Convert to fraction form
    19,243,733.92/26,550,104.40 = 13,121,533.60/x
  3. Step 3: Cross multiply
    19,243,733.92x = 26,550,104.40 × 13,121,533.60
  4. Step 4: Simplify right side
    19,243,733.92x = 348,378,086,968,107.81
  5. Step 5: Solve for x
    x = 348,378,086,968,107.81/19,243,733.92
  6. Step 6: Final answer
    x = 18,103,455.83

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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.