Home / 28,345,786.60-42,514,532.70-8,148,922.60

Finding the Fourth Proportional to 28,345,786.60, 42,514,532.70 and 8,148,922.60

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Solution

The fourth proportional to 28,345,786.60, 42,514,532.70 and 8,148,922.60 is: 12,222,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345,786.60 : 42,514,532.70 = 8,148,922.60 : x
  2. Step 2: Convert to fraction form
    28,345,786.60/42,514,532.70 = 8,148,922.60/x
  3. Step 3: Cross multiply
    28,345,786.60x = 42,514,532.70 × 8,148,922.60
  4. Step 4: Simplify right side
    28,345,786.60x = 346,447,636,347,469
  5. Step 5: Solve for x
    x = 346,447,636,347,469/28,345,786.60
  6. Step 6: Final answer
    x = 12,222,191.65

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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.