Home / 20,594,525.40-28,419,804.79-11,301,856.49

Finding the Fourth Proportional to 20,594,525.40, 28,419,804.79 and 11,301,856.49

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Solution

The fourth proportional to 20,594,525.40, 28,419,804.79 and 11,301,856.49 is: 15,596,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,525.40 : 28,419,804.79 = 11,301,856.49 : x
  2. Step 2: Convert to fraction form
    20,594,525.40/28,419,804.79 = 11,301,856.49/x
  3. Step 3: Cross multiply
    20,594,525.40x = 28,419,804.79 × 11,301,856.49
  4. Step 4: Simplify right side
    20,594,525.40x = 321,196,555,253,189.44
  5. Step 5: Solve for x
    x = 321,196,555,253,189.44/20,594,525.40
  6. Step 6: Final answer
    x = 15,596,210.60

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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.