Home / 34,107,992.86-47,069,153.83-18,638,078.86

Finding the Fourth Proportional to 34,107,992.86, 47,069,153.83 and 18,638,078.86

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Solution

The fourth proportional to 34,107,992.86, 47,069,153.83 and 18,638,078.86 is: 25,720,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107,992.86 : 47,069,153.83 = 18,638,078.86 : x
  2. Step 2: Convert to fraction form
    34,107,992.86/47,069,153.83 = 18,638,078.86/x
  3. Step 3: Cross multiply
    34,107,992.86x = 47,069,153.83 × 18,638,078.86
  4. Step 4: Simplify right side
    34,107,992.86x = 877,278,600,957,011
  5. Step 5: Solve for x
    x = 877,278,600,957,011/34,107,992.86
  6. Step 6: Final answer
    x = 25,720,616.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.