Home / 30,568,095.09-45,852,134.43-20,954,327.40

Finding the Fourth Proportional to 30,568,095.09, 45,852,134.43 and 20,954,327.40

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Solution

The fourth proportional to 30,568,095.09, 45,852,134.43 and 20,954,327.40 is: 31,431,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568,095.09 : 45,852,134.43 = 20,954,327.40 : x
  2. Step 2: Convert to fraction form
    30,568,095.09/45,852,134.43 = 20,954,327.40/x
  3. Step 3: Cross multiply
    30,568,095.09x = 45,852,134.43 × 20,954,327.40
  4. Step 4: Simplify right side
    30,568,095.09x = 960,800,636,835,032.25
  5. Step 5: Solve for x
    x = 960,800,636,835,032.25/30,568,095.09
  6. Step 6: Final answer
    x = 31,431,485.48

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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.