Home / 13,659,893.20-20,487,215.40-4,075,584.40

Finding the Fourth Proportional to 13,659,893.20, 20,487,215.40 and 4,075,584.40

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Solution

The fourth proportional to 13,659,893.20, 20,487,215.40 and 4,075,584.40 is: 6,112,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,893.20 : 20,487,215.40 = 4,075,584.40 : x
  2. Step 2: Convert to fraction form
    13,659,893.20/20,487,215.40 = 4,075,584.40/x
  3. Step 3: Cross multiply
    13,659,893.20x = 20,487,215.40 × 4,075,584.40
  4. Step 4: Simplify right side
    13,659,893.20x = 83,497,375,483,679.75
  5. Step 5: Solve for x
    x = 83,497,375,483,679.75/13,659,893.20
  6. Step 6: Final answer
    x = 6,112,593.58

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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.