Home / 28,142,054.60-42,212,638.42-8,972,682.48

Finding the Fourth Proportional to 28,142,054.60, 42,212,638.42 and 8,972,682.48

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Solution

The fourth proportional to 28,142,054.60, 42,212,638.42 and 8,972,682.48 is: 13,458,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142,054.60 : 42,212,638.42 = 8,972,682.48 : x
  2. Step 2: Convert to fraction form
    28,142,054.60/42,212,638.42 = 8,972,682.48/x
  3. Step 3: Cross multiply
    28,142,054.60x = 42,212,638.42 × 8,972,682.48
  4. Step 4: Simplify right side
    28,142,054.60x = 378,760,601,163,277.19
  5. Step 5: Solve for x
    x = 378,760,601,163,277.19/28,142,054.60
  6. Step 6: Final answer
    x = 13,458,882.32

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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.