Home / 18,379,075.05-25,370,973.75-13,084,188.08

Finding the Fourth Proportional to 18,379,075.05, 25,370,973.75 and 13,084,188.08

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Solution

The fourth proportional to 18,379,075.05, 25,370,973.75 and 13,084,188.08 is: 18,061,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,075.05 : 25,370,973.75 = 13,084,188.08 : x
  2. Step 2: Convert to fraction form
    18,379,075.05/25,370,973.75 = 13,084,188.08/x
  3. Step 3: Cross multiply
    18,379,075.05x = 25,370,973.75 × 13,084,188.08
  4. Step 4: Simplify right side
    18,379,075.05x = 331,958,592,190,888
  5. Step 5: Solve for x
    x = 331,958,592,190,888/18,379,075.05
  6. Step 6: Final answer
    x = 18,061,768.14

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1.5x scale

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.