Home / 19,183,537.40-28,775,306.10-13,136,919.80

Finding the Fourth Proportional to 19,183,537.40, 28,775,306.10 and 13,136,919.80

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Solution

The fourth proportional to 19,183,537.40, 28,775,306.10 and 13,136,919.80 is: 19,705,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,537.40 : 28,775,306.10 = 13,136,919.80 : x
  2. Step 2: Convert to fraction form
    19,183,537.40/28,775,306.10 = 13,136,919.80/x
  3. Step 3: Cross multiply
    19,183,537.40x = 28,775,306.10 × 13,136,919.80
  4. Step 4: Simplify right side
    19,183,537.40x = 378,018,888,456,150.81
  5. Step 5: Solve for x
    x = 378,018,888,456,150.81/19,183,537.40
  6. Step 6: Final answer
    x = 19,705,379.70

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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.