Home / 40,380,639.03-55,724,997.60-22,045,924.53

Finding the Fourth Proportional to 40,380,639.03, 55,724,997.60 and 22,045,924.53

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Solution

The fourth proportional to 40,380,639.03, 55,724,997.60 and 22,045,924.53 is: 30,423,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380,639.03 : 55,724,997.60 = 22,045,924.53 : x
  2. Step 2: Convert to fraction form
    40,380,639.03/55,724,997.60 = 22,045,924.53/x
  3. Step 3: Cross multiply
    40,380,639.03x = 55,724,997.60 × 22,045,924.53
  4. Step 4: Simplify right side
    40,380,639.03x = 1,228,509,091,524,031.25
  5. Step 5: Solve for x
    x = 1,228,509,091,524,031.25/40,380,639.03
  6. Step 6: Final answer
    x = 30,423,220.66

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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.