Home / 52,145,420.72-71,957,328.36-28,940,563.40

Finding the Fourth Proportional to 52,145,420.72, 71,957,328.36 and 28,940,563.40

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Solution

The fourth proportional to 52,145,420.72, 71,957,328.36 and 28,940,563.40 is: 39,936,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145,420.72 : 71,957,328.36 = 28,940,563.40 : x
  2. Step 2: Convert to fraction form
    52,145,420.72/71,957,328.36 = 28,940,563.40/x
  3. Step 3: Cross multiply
    52,145,420.72x = 71,957,328.36 × 28,940,563.40
  4. Step 4: Simplify right side
    52,145,420.72x = 2,082,485,623,497,198
  5. Step 5: Solve for x
    x = 2,082,485,623,497,198/52,145,420.72
  6. Step 6: Final answer
    x = 39,936,117.01

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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.