Home / 20,370,544.58-28,111,883.40-11,203,427.90

Finding the Fourth Proportional to 20,370,544.58, 28,111,883.40 and 11,203,427.90

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Solution

The fourth proportional to 20,370,544.58, 28,111,883.40 and 11,203,427.90 is: 15,461,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370,544.58 : 28,111,883.40 = 11,203,427.90 : x
  2. Step 2: Convert to fraction form
    20,370,544.58/28,111,883.40 = 11,203,427.90/x
  3. Step 3: Cross multiply
    20,370,544.58x = 28,111,883.40 × 11,203,427.90
  4. Step 4: Simplify right side
    20,370,544.58x = 314,949,458,805,106.88
  5. Step 5: Solve for x
    x = 314,949,458,805,106.88/20,370,544.58
  6. Step 6: Final answer
    x = 15,461,023.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.