Home / 31,099,712.40-46,649,568.60-21,414,200.19

Finding the Fourth Proportional to 31,099,712.40, 46,649,568.60 and 21,414,200.19

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Solution

The fourth proportional to 31,099,712.40, 46,649,568.60 and 21,414,200.19 is: 32,121,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099,712.40 : 46,649,568.60 = 21,414,200.19 : x
  2. Step 2: Convert to fraction form
    31,099,712.40/46,649,568.60 = 21,414,200.19/x
  3. Step 3: Cross multiply
    31,099,712.40x = 46,649,568.60 × 21,414,200.19
  4. Step 4: Simplify right side
    31,099,712.40x = 998,963,200,777,538.12
  5. Step 5: Solve for x
    x = 998,963,200,777,538.12/31,099,712.40
  6. Step 6: Final answer
    x = 32,121,300.29

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1.5x scale

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.