Home / 20,860,673.52-31,299,619.77-11,264,751.75

Finding the Fourth Proportional to 20,860,673.52, 31,299,619.77 and 11,264,751.75

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Solution

The fourth proportional to 20,860,673.52, 31,299,619.77 and 11,264,751.75 is: 16,901,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,673.52 : 31,299,619.77 = 11,264,751.75 : x
  2. Step 2: Convert to fraction form
    20,860,673.52/31,299,619.77 = 11,264,751.75/x
  3. Step 3: Cross multiply
    20,860,673.52x = 31,299,619.77 × 11,264,751.75
  4. Step 4: Simplify right side
    20,860,673.52x = 352,582,446,578,442.06
  5. Step 5: Solve for x
    x = 352,582,446,578,442.06/20,860,673.52
  6. Step 6: Final answer
    x = 16,901,776.74

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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.