Home / 7,284,803.72-10,052,765.09-4,021,548.21

Finding the Fourth Proportional to 7,284,803.72, 10,052,765.09 and 4,021,548.21

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Solution

The fourth proportional to 7,284,803.72, 10,052,765.09 and 4,021,548.21 is: 5,549,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284,803.72 : 10,052,765.09 = 4,021,548.21 : x
  2. Step 2: Convert to fraction form
    7,284,803.72/10,052,765.09 = 4,021,548.21/x
  3. Step 3: Cross multiply
    7,284,803.72x = 10,052,765.09 × 4,021,548.21
  4. Step 4: Simplify right side
    7,284,803.72x = 40,427,679,433,132.25
  5. Step 5: Solve for x
    x = 40,427,679,433,132.25/7,284,803.72
  6. Step 6: Final answer
    x = 5,549,590.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.