Home / 20,542,653.58-28,348,513.39-11,375,099.50

Finding the Fourth Proportional to 20,542,653.58, 28,348,513.39 and 11,375,099.50

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Solution

The fourth proportional to 20,542,653.58, 28,348,513.39 and 11,375,099.50 is: 15,697,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,653.58 : 28,348,513.39 = 11,375,099.50 : x
  2. Step 2: Convert to fraction form
    20,542,653.58/28,348,513.39 = 11,375,099.50/x
  3. Step 3: Cross multiply
    20,542,653.58x = 28,348,513.39 × 11,375,099.50
  4. Step 4: Simplify right side
    20,542,653.58x = 322,467,160,488,332.31
  5. Step 5: Solve for x
    x = 322,467,160,488,332.31/20,542,653.58
  6. Step 6: Final answer
    x = 15,697,444.31

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1.5x scale

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.