Home / 38,385,743.80-57,438,647.70-28,308,047.80

Finding the Fourth Proportional to 38,385,743.80, 57,438,647.70 and 28,308,047.80

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Solution

The fourth proportional to 38,385,743.80, 57,438,647.70 and 28,308,047.80 is: 42,358,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,743.80 : 57,438,647.70 = 28,308,047.80 : x
  2. Step 2: Convert to fraction form
    38,385,743.80/57,438,647.70 = 28,308,047.80/x
  3. Step 3: Cross multiply
    38,385,743.80x = 57,438,647.70 × 28,308,047.80
  4. Step 4: Simplify right side
    38,385,743.80x = 1,625,975,984,658,960.25
  5. Step 5: Solve for x
    x = 1,625,975,984,658,960.25/38,385,743.80
  6. Step 6: Final answer
    x = 42,358,850.54

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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.