Home / 43,578,477.60-65,362,467.60-18,016,821.60

Finding the Fourth Proportional to 43,578,477.60, 65,362,467.60 and 18,016,821.60

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Solution

The fourth proportional to 43,578,477.60, 65,362,467.60 and 18,016,821.60 is: 27,023,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,477.60 : 65,362,467.60 = 18,016,821.60 : x
  2. Step 2: Convert to fraction form
    43,578,477.60/65,362,467.60 = 18,016,821.60/x
  3. Step 3: Cross multiply
    43,578,477.60x = 65,362,467.60 × 18,016,821.60
  4. Step 4: Simplify right side
    43,578,477.60x = 1,177,623,918,084,980.25
  5. Step 5: Solve for x
    x = 1,177,623,918,084,980.25/43,578,477.60
  6. Step 6: Final answer
    x = 27,023,062.37

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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.