Home / 19,183,023.40-28,774,535.10-13,136,405.80

Finding the Fourth Proportional to 19,183,023.40, 28,774,535.10 and 13,136,405.80

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Solution

The fourth proportional to 19,183,023.40, 28,774,535.10 and 13,136,405.80 is: 19,704,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,023.40 : 28,774,535.10 = 13,136,405.80 : x
  2. Step 2: Convert to fraction form
    19,183,023.40/28,774,535.10 = 13,136,405.80/x
  3. Step 3: Cross multiply
    19,183,023.40x = 28,774,535.10 × 13,136,405.80
  4. Step 4: Simplify right side
    19,183,023.40x = 377,993,969,779,943.62
  5. Step 5: Solve for x
    x = 377,993,969,779,943.62/19,183,023.40
  6. Step 6: Final answer
    x = 19,704,608.70

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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.