Home / 28,204,176.42-42,310,030.86-11,160,863.64

Finding the Fourth Proportional to 28,204,176.42, 42,310,030.86 and 11,160,863.64

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Solution

The fourth proportional to 28,204,176.42, 42,310,030.86 and 11,160,863.64 is: 16,742,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204,176.42 : 42,310,030.86 = 11,160,863.64 : x
  2. Step 2: Convert to fraction form
    28,204,176.42/42,310,030.86 = 11,160,863.64/x
  3. Step 3: Cross multiply
    28,204,176.42x = 42,310,030.86 × 11,160,863.64
  4. Step 4: Simplify right side
    28,204,176.42x = 472,216,485,032,651.94
  5. Step 5: Solve for x
    x = 472,216,485,032,651.94/28,204,176.42
  6. Step 6: Final answer
    x = 16,742,785.82

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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.