Home / 28,918,183.59-43,356,017.64-13,782,743.91

Finding the Fourth Proportional to 28,918,183.59, 43,356,017.64 and 13,782,743.91

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Solution

The fourth proportional to 28,918,183.59, 43,356,017.64 and 13,782,743.91 is: 20,663,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918,183.59 : 43,356,017.64 = 13,782,743.91 : x
  2. Step 2: Convert to fraction form
    28,918,183.59/43,356,017.64 = 13,782,743.91/x
  3. Step 3: Cross multiply
    28,918,183.59x = 43,356,017.64 × 13,782,743.91
  4. Step 4: Simplify right side
    28,918,183.59x = 597,564,888,089,562.62
  5. Step 5: Solve for x
    x = 597,564,888,089,562.62/28,918,183.59
  6. Step 6: Final answer
    x = 20,663,984.18

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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.