Home / 28,875,857-39,848,682.66-15,998,801

Finding the Fourth Proportional to 28,875,857, 39,848,682.66 and 15,998,801

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Solution

The fourth proportional to 28,875,857, 39,848,682.66 and 15,998,801 is: 22,078,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875,857 : 39,848,682.66 = 15,998,801 : x
  2. Step 2: Convert to fraction form
    28,875,857/39,848,682.66 = 15,998,801/x
  3. Step 3: Cross multiply
    28,875,857x = 39,848,682.66 × 15,998,801
  4. Step 4: Simplify right side
    28,875,857x = 637,531,143,989,490.62
  5. Step 5: Solve for x
    x = 637,531,143,989,490.62/28,875,857
  6. Step 6: Final answer
    x = 22,078,345.38

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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.