Home / 20,112,308.40-30,168,615.96-5,735,364.24

Finding the Fourth Proportional to 20,112,308.40, 30,168,615.96 and 5,735,364.24

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Solution

The fourth proportional to 20,112,308.40, 30,168,615.96 and 5,735,364.24 is: 8,603,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,308.40 : 30,168,615.96 = 5,735,364.24 : x
  2. Step 2: Convert to fraction form
    20,112,308.40/30,168,615.96 = 5,735,364.24/x
  3. Step 3: Cross multiply
    20,112,308.40x = 30,168,615.96 × 5,735,364.24
  4. Step 4: Simplify right side
    20,112,308.40x = 173,028,001,147,277.28
  5. Step 5: Solve for x
    x = 173,028,001,147,277.28/20,112,308.40
  6. Step 6: Final answer
    x = 8,603,090.09

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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.