Home / 19,136,658.80-28,710,517.80-5,673,810.80

Finding the Fourth Proportional to 19,136,658.80, 28,710,517.80 and 5,673,810.80

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Solution

The fourth proportional to 19,136,658.80, 28,710,517.80 and 5,673,810.80 is: 8,512,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136,658.80 : 28,710,517.80 = 5,673,810.80 : x
  2. Step 2: Convert to fraction form
    19,136,658.80/28,710,517.80 = 5,673,810.80/x
  3. Step 3: Cross multiply
    19,136,658.80x = 28,710,517.80 × 5,673,810.80
  4. Step 4: Simplify right side
    19,136,658.80x = 162,898,045,967,232.25
  5. Step 5: Solve for x
    x = 162,898,045,967,232.25/19,136,658.80
  6. Step 6: Final answer
    x = 8,512,355.67

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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.