Home / 9,906,876.40-14,860,314.60-8,489,700.40

Finding the Fourth Proportional to 9,906,876.40, 14,860,314.60 and 8,489,700.40

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Solution

The fourth proportional to 9,906,876.40, 14,860,314.60 and 8,489,700.40 is: 12,734,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,876.40 : 14,860,314.60 = 8,489,700.40 : x
  2. Step 2: Convert to fraction form
    9,906,876.40/14,860,314.60 = 8,489,700.40/x
  3. Step 3: Cross multiply
    9,906,876.40x = 14,860,314.60 × 8,489,700.40
  4. Step 4: Simplify right side
    9,906,876.40x = 126,159,618,803,745.84
  5. Step 5: Solve for x
    x = 126,159,618,803,745.84/9,906,876.40
  6. Step 6: Final answer
    x = 12,734,550.60

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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.