Home / 9,860,085.89-14,857,431.12-8,102,344.79

Finding the Fourth Proportional to 9,860,085.89, 14,857,431.12 and 8,102,344.79

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Solution

The fourth proportional to 9,860,085.89, 14,857,431.12 and 8,102,344.79 is: 12,208,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860,085.89 : 14,857,431.12 = 8,102,344.79 : x
  2. Step 2: Convert to fraction form
    9,860,085.89/14,857,431.12 = 8,102,344.79/x
  3. Step 3: Cross multiply
    9,860,085.89x = 14,857,431.12 × 8,102,344.79
  4. Step 4: Simplify right side
    9,860,085.89x = 120,380,029,553,628.70
  5. Step 5: Solve for x
    x = 120,380,029,553,628.70/9,860,085.89
  6. Step 6: Final answer
    x = 12,208,821.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.