Home / 13,426,448.20-20,092,433.10-12,292,707.40

Finding the Fourth Proportional to 13,426,448.20, 20,092,433.10 and 12,292,707.40

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Solution

The fourth proportional to 13,426,448.20, 20,092,433.10 and 12,292,707.40 is: 18,395,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,448.20 : 20,092,433.10 = 12,292,707.40 : x
  2. Step 2: Convert to fraction form
    13,426,448.20/20,092,433.10 = 12,292,707.40/x
  3. Step 3: Cross multiply
    13,426,448.20x = 20,092,433.10 × 12,292,707.40
  4. Step 4: Simplify right side
    13,426,448.20x = 246,990,401,052,374.97
  5. Step 5: Solve for x
    x = 246,990,401,052,374.97/13,426,448.20
  6. Step 6: Final answer
    x = 18,395,810.82

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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.