Home / 19,683,489.80-29,525,234.70-11,180,433.80

Finding the Fourth Proportional to 19,683,489.80, 29,525,234.70 and 11,180,433.80

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Solution

The fourth proportional to 19,683,489.80, 29,525,234.70 and 11,180,433.80 is: 16,770,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,489.80 : 29,525,234.70 = 11,180,433.80 : x
  2. Step 2: Convert to fraction form
    19,683,489.80/29,525,234.70 = 11,180,433.80/x
  3. Step 3: Cross multiply
    19,683,489.80x = 29,525,234.70 × 11,180,433.80
  4. Step 4: Simplify right side
    19,683,489.80x = 330,104,931,992,812.88
  5. Step 5: Solve for x
    x = 330,104,931,992,812.88/19,683,489.80
  6. Step 6: Final answer
    x = 16,770,650.70

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1.5x scale

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.