Home / 38,398,451.26-52,989,867.75-20,994,808.54

Finding the Fourth Proportional to 38,398,451.26, 52,989,867.75 and 20,994,808.54

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Solution

The fourth proportional to 38,398,451.26, 52,989,867.75 and 20,994,808.54 is: 28,972,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398,451.26 : 52,989,867.75 = 20,994,808.54 : x
  2. Step 2: Convert to fraction form
    38,398,451.26/52,989,867.75 = 20,994,808.54/x
  3. Step 3: Cross multiply
    38,398,451.26x = 52,989,867.75 × 20,994,808.54
  4. Step 4: Simplify right side
    38,398,451.26x = 1,112,512,127,971,170.50
  5. Step 5: Solve for x
    x = 1,112,512,127,971,170.50/38,398,451.26
  6. Step 6: Final answer
    x = 28,972,838.53

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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.