Home / 40,183,648.08-55,453,047.84-21,848,937.36

Finding the Fourth Proportional to 40,183,648.08, 55,453,047.84 and 21,848,937.36

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Solution

The fourth proportional to 40,183,648.08, 55,453,047.84 and 21,848,937.36 is: 30,151,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,183,648.08 : 55,453,047.84 = 21,848,937.36 : x
  2. Step 2: Convert to fraction form
    40,183,648.08/55,453,047.84 = 21,848,937.36/x
  3. Step 3: Cross multiply
    40,183,648.08x = 55,453,047.84 × 21,848,937.36
  4. Step 4: Simplify right side
    40,183,648.08x = 1,211,590,168,677,243.25
  5. Step 5: Solve for x
    x = 1,211,590,168,677,243.25/40,183,648.08
  6. Step 6: Final answer
    x = 30,151,323.40

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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.