Home / 28,463,021.07-39,278,492.78-15,410,174.01

Finding the Fourth Proportional to 28,463,021.07, 39,278,492.78 and 15,410,174.01

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Solution

The fourth proportional to 28,463,021.07, 39,278,492.78 and 15,410,174.01 is: 21,265,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463,021.07 : 39,278,492.78 = 15,410,174.01 : x
  2. Step 2: Convert to fraction form
    28,463,021.07/39,278,492.78 = 15,410,174.01/x
  3. Step 3: Cross multiply
    28,463,021.07x = 39,278,492.78 × 15,410,174.01
  4. Step 4: Simplify right side
    28,463,021.07x = 605,288,408,513,277.75
  5. Step 5: Solve for x
    x = 605,288,408,513,277.75/28,463,021.07
  6. Step 6: Final answer
    x = 21,265,782.26

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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.