Home / 19,183,020.40-28,774,530.60-13,136,402.80

Finding the Fourth Proportional to 19,183,020.40, 28,774,530.60 and 13,136,402.80

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Solution

The fourth proportional to 19,183,020.40, 28,774,530.60 and 13,136,402.80 is: 19,704,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,020.40 : 28,774,530.60 = 13,136,402.80 : x
  2. Step 2: Convert to fraction form
    19,183,020.40/28,774,530.60 = 13,136,402.80/x
  3. Step 3: Cross multiply
    19,183,020.40x = 28,774,530.60 × 13,136,402.80
  4. Step 4: Simplify right side
    19,183,020.40x = 377,993,824,342,525.75
  5. Step 5: Solve for x
    x = 377,993,824,342,525.75/19,183,020.40
  6. Step 6: Final answer
    x = 19,704,604.20

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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.