Home / 38,398,450.76-52,989,867.06-20,994,808.04

Finding the Fourth Proportional to 38,398,450.76, 52,989,867.06 and 20,994,808.04

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Solution

The fourth proportional to 38,398,450.76, 52,989,867.06 and 20,994,808.04 is: 28,972,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398,450.76 : 52,989,867.06 = 20,994,808.04 : x
  2. Step 2: Convert to fraction form
    38,398,450.76/52,989,867.06 = 20,994,808.04/x
  3. Step 3: Cross multiply
    38,398,450.76x = 52,989,867.06 × 20,994,808.04
  4. Step 4: Simplify right side
    38,398,450.76x = 1,112,512,086,989,819.12
  5. Step 5: Solve for x
    x = 1,112,512,086,989,819.12/38,398,450.76
  6. Step 6: Final answer
    x = 28,972,837.84

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1.5x scale

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.