Home / 28,651,001.54-42,981,167.91-8,458,284.74

Finding the Fourth Proportional to 28,651,001.54, 42,981,167.91 and 8,458,284.74

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Solution

The fourth proportional to 28,651,001.54, 42,981,167.91 and 8,458,284.74 is: 12,688,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651,001.54 : 42,981,167.91 = 8,458,284.74 : x
  2. Step 2: Convert to fraction form
    28,651,001.54/42,981,167.91 = 8,458,284.74/x
  3. Step 3: Cross multiply
    28,651,001.54x = 42,981,167.91 × 8,458,284.74
  4. Step 4: Simplify right side
    28,651,001.54x = 363,546,956,640,530.69
  5. Step 5: Solve for x
    x = 363,546,956,640,530.69/28,651,001.54
  6. Step 6: Final answer
    x = 12,688,804.48

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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.