Home / 28,552,396.98-42,830,256.78-8,080,403.94

Finding the Fourth Proportional to 28,552,396.98, 42,830,256.78 and 8,080,403.94

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Solution

The fourth proportional to 28,552,396.98, 42,830,256.78 and 8,080,403.94 is: 12,121,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552,396.98 : 42,830,256.78 = 8,080,403.94 : x
  2. Step 2: Convert to fraction form
    28,552,396.98/42,830,256.78 = 8,080,403.94/x
  3. Step 3: Cross multiply
    28,552,396.98x = 42,830,256.78 × 8,080,403.94
  4. Step 4: Simplify right side
    28,552,396.98x = 346,085,775,636,323.75
  5. Step 5: Solve for x
    x = 346,085,775,636,323.75/28,552,396.98
  6. Step 6: Final answer
    x = 12,121,076.07

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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.