Home / 8,790,786.40-13,188,512.40-3,110,418.40

Finding the Fourth Proportional to 8,790,786.40, 13,188,512.40 and 3,110,418.40

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Solution

The fourth proportional to 8,790,786.40, 13,188,512.40 and 3,110,418.40 is: 4,666,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790,786.40 : 13,188,512.40 = 3,110,418.40 : x
  2. Step 2: Convert to fraction form
    8,790,786.40/13,188,512.40 = 3,110,418.40/x
  3. Step 3: Cross multiply
    8,790,786.40x = 13,188,512.40 × 3,110,418.40
  4. Step 4: Simplify right side
    8,790,786.40x = 41,021,791,637,588.16
  5. Step 5: Solve for x
    x = 41,021,791,637,588.16/8,790,786.40
  6. Step 6: Final answer
    x = 4,666,453.01

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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.