Home / 13,145,733.85-19,718,600.78-4,626,002.65

Finding the Fourth Proportional to 13,145,733.85, 19,718,600.78 and 4,626,002.65

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Solution

The fourth proportional to 13,145,733.85, 19,718,600.78 and 4,626,002.65 is: 6,939,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,733.85 : 19,718,600.78 = 4,626,002.65 : x
  2. Step 2: Convert to fraction form
    13,145,733.85/19,718,600.78 = 4,626,002.65/x
  3. Step 3: Cross multiply
    13,145,733.85x = 19,718,600.78 × 4,626,002.65
  4. Step 4: Simplify right side
    13,145,733.85x = 91,218,299,439,442.05
  5. Step 5: Solve for x
    x = 91,218,299,439,442.05/13,145,733.85
  6. Step 6: Final answer
    x = 6,939,003.98

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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.