Home / 20,753,733.67-28,640,605.67-11,461,284.81

Finding the Fourth Proportional to 20,753,733.67, 28,640,605.67 and 11,461,284.81

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Solution

The fourth proportional to 20,753,733.67, 28,640,605.67 and 11,461,284.81 is: 15,816,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753,733.67 : 28,640,605.67 = 11,461,284.81 : x
  2. Step 2: Convert to fraction form
    20,753,733.67/28,640,605.67 = 11,461,284.81/x
  3. Step 3: Cross multiply
    20,753,733.67x = 28,640,605.67 × 11,461,284.81
  4. Step 4: Simplify right side
    20,753,733.67x = 328,258,138,571,529.31
  5. Step 5: Solve for x
    x = 328,258,138,571,529.31/20,753,733.67
  6. Step 6: Final answer
    x = 15,816,823.31

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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.