Home / 47,978,703.92-66,219,135.72-28,410,456.08

Finding the Fourth Proportional to 47,978,703.92, 66,219,135.72 and 28,410,456.08

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Solution

The fourth proportional to 47,978,703.92, 66,219,135.72 and 28,410,456.08 is: 39,211,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,978,703.92 : 66,219,135.72 = 28,410,456.08 : x
  2. Step 2: Convert to fraction form
    47,978,703.92/66,219,135.72 = 28,410,456.08/x
  3. Step 3: Cross multiply
    47,978,703.92x = 66,219,135.72 × 28,410,456.08
  4. Step 4: Simplify right side
    47,978,703.92x = 1,881,315,847,028,619
  5. Step 5: Solve for x
    x = 1,881,315,847,028,619/47,978,703.92
  6. Step 6: Final answer
    x = 39,211,477.04

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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.