Home / 8,938,703.20-13,408,054.80-3,259,112.80

Finding the Fourth Proportional to 8,938,703.20, 13,408,054.80 and 3,259,112.80

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Solution

The fourth proportional to 8,938,703.20, 13,408,054.80 and 3,259,112.80 is: 4,888,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,703.20 : 13,408,054.80 = 3,259,112.80 : x
  2. Step 2: Convert to fraction form
    8,938,703.20/13,408,054.80 = 3,259,112.80/x
  3. Step 3: Cross multiply
    8,938,703.20x = 13,408,054.80 × 3,259,112.80
  4. Step 4: Simplify right side
    8,938,703.20x = 43,698,363,021,781.44
  5. Step 5: Solve for x
    x = 43,698,363,021,781.44/8,938,703.20
  6. Step 6: Final answer
    x = 4,888,669.20

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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.