Home / 25,374,904.57-35,081,408.43-18,749,042.58

Finding the Fourth Proportional to 25,374,904.57, 35,081,408.43 and 18,749,042.58

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Solution

The fourth proportional to 25,374,904.57, 35,081,408.43 and 18,749,042.58 is: 25,920,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374,904.57 : 35,081,408.43 = 18,749,042.58 : x
  2. Step 2: Convert to fraction form
    25,374,904.57/35,081,408.43 = 18,749,042.58/x
  3. Step 3: Cross multiply
    25,374,904.57x = 35,081,408.43 × 18,749,042.58
  4. Step 4: Simplify right side
    25,374,904.57x = 657,742,820,420,440.88
  5. Step 5: Solve for x
    x = 657,742,820,420,440.88/25,374,904.57
  6. Step 6: Final answer
    x = 25,920,996.81

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1.5x scale

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.