Home / 19,850,999.40-29,776,499.10-8,492,596.20

Finding the Fourth Proportional to 19,850,999.40, 29,776,499.10 and 8,492,596.20

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Solution

The fourth proportional to 19,850,999.40, 29,776,499.10 and 8,492,596.20 is: 12,738,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850,999.40 : 29,776,499.10 = 8,492,596.20 : x
  2. Step 2: Convert to fraction form
    19,850,999.40/29,776,499.10 = 8,492,596.20/x
  3. Step 3: Cross multiply
    19,850,999.40x = 29,776,499.10 × 8,492,596.20
  4. Step 4: Simplify right side
    19,850,999.40x = 252,879,783,105,963.41
  5. Step 5: Solve for x
    x = 252,879,783,105,963.41/19,850,999.40
  6. Step 6: Final answer
    x = 12,738,894.30

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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.