Home / 16,891,765.75-25,339,641.53-12,658,838.19

Finding the Fourth Proportional to 16,891,765.75, 25,339,641.53 and 12,658,838.19

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Solution

The fourth proportional to 16,891,765.75, 25,339,641.53 and 12,658,838.19 is: 18,989,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891,765.75 : 25,339,641.53 = 12,658,838.19 : x
  2. Step 2: Convert to fraction form
    16,891,765.75/25,339,641.53 = 12,658,838.19/x
  3. Step 3: Cross multiply
    16,891,765.75x = 25,339,641.53 × 12,658,838.19
  4. Step 4: Simplify right side
    16,891,765.75x = 320,770,421,920,874.06
  5. Step 5: Solve for x
    x = 320,770,421,920,874.06/16,891,765.75
  6. Step 6: Final answer
    x = 18,989,750.79

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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.