Home / 39,085,407.60-58,628,111.40-18,930,015.60

Finding the Fourth Proportional to 39,085,407.60, 58,628,111.40 and 18,930,015.60

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Solution

The fourth proportional to 39,085,407.60, 58,628,111.40 and 18,930,015.60 is: 28,395,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085,407.60 : 58,628,111.40 = 18,930,015.60 : x
  2. Step 2: Convert to fraction form
    39,085,407.60/58,628,111.40 = 18,930,015.60/x
  3. Step 3: Cross multiply
    39,085,407.60x = 58,628,111.40 × 18,930,015.60
  4. Step 4: Simplify right side
    39,085,407.60x = 1,109,831,063,400,537.88
  5. Step 5: Solve for x
    x = 1,109,831,063,400,537.88/39,085,407.60
  6. Step 6: Final answer
    x = 28,395,023.40

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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.