Home / 9,021,418.40-13,536,015.60-5,238,135.20

Finding the Fourth Proportional to 9,021,418.40, 13,536,015.60 and 5,238,135.20

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Solution

The fourth proportional to 9,021,418.40, 13,536,015.60 and 5,238,135.20 is: 7,859,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,418.40 : 13,536,015.60 = 5,238,135.20 : x
  2. Step 2: Convert to fraction form
    9,021,418.40/13,536,015.60 = 5,238,135.20/x
  3. Step 3: Cross multiply
    9,021,418.40x = 13,536,015.60 × 5,238,135.20
  4. Step 4: Simplify right side
    9,021,418.40x = 70,903,479,782,109.12
  5. Step 5: Solve for x
    x = 70,903,479,782,109.12/9,021,418.40
  6. Step 6: Final answer
    x = 7,859,460.30

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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.