Home / 33,019,078-45,570,531.42-19,966,430.32

Finding the Fourth Proportional to 33,019,078, 45,570,531.42 and 19,966,430.32

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Solution

The fourth proportional to 33,019,078, 45,570,531.42 and 19,966,430.32 is: 27,556,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019,078 : 45,570,531.42 = 19,966,430.32 : x
  2. Step 2: Convert to fraction form
    33,019,078/45,570,531.42 = 19,966,430.32/x
  3. Step 3: Cross multiply
    33,019,078x = 45,570,531.42 × 19,966,430.32
  4. Step 4: Simplify right side
    33,019,078x = 909,880,840,242,800.75
  5. Step 5: Solve for x
    x = 909,880,840,242,800.75/33,019,078
  6. Step 6: Final answer
    x = 27,556,215.84

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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.