Home / 11,916,431.96-17,871,987.87-5,525,853.93

Finding the Fourth Proportional to 11,916,431.96, 17,871,987.87 and 5,525,853.93

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Solution

The fourth proportional to 11,916,431.96, 17,871,987.87 and 5,525,853.93 is: 8,287,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916,431.96 : 17,871,987.87 = 5,525,853.93 : x
  2. Step 2: Convert to fraction form
    11,916,431.96/17,871,987.87 = 5,525,853.93/x
  3. Step 3: Cross multiply
    11,916,431.96x = 17,871,987.87 × 5,525,853.93
  4. Step 4: Simplify right side
    11,916,431.96x = 98,757,994,408,351.83
  5. Step 5: Solve for x
    x = 98,757,994,408,351.83/11,916,431.96
  6. Step 6: Final answer
    x = 8,287,547.38

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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.