Home / 13,023,981-17,973,093.78-7,223,650.92

Finding the Fourth Proportional to 13,023,981, 17,973,093.78 and 7,223,650.92

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Solution

The fourth proportional to 13,023,981, 17,973,093.78 and 7,223,650.92 is: 9,968,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,981 : 17,973,093.78 = 7,223,650.92 : x
  2. Step 2: Convert to fraction form
    13,023,981/17,973,093.78 = 7,223,650.92/x
  3. Step 3: Cross multiply
    13,023,981x = 17,973,093.78 × 7,223,650.92
  4. Step 4: Simplify right side
    13,023,981x = 129,831,355,419,143.28
  5. Step 5: Solve for x
    x = 129,831,355,419,143.28/13,023,981
  6. Step 6: Final answer
    x = 9,968,638.27

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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.