Home / 22,143,503.40-33,215,255.10-19,904,015.40

Finding the Fourth Proportional to 22,143,503.40, 33,215,255.10 and 19,904,015.40

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Solution

The fourth proportional to 22,143,503.40, 33,215,255.10 and 19,904,015.40 is: 29,856,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,503.40 : 33,215,255.10 = 19,904,015.40 : x
  2. Step 2: Convert to fraction form
    22,143,503.40/33,215,255.10 = 19,904,015.40/x
  3. Step 3: Cross multiply
    22,143,503.40x = 33,215,255.10 × 19,904,015.40
  4. Step 4: Simplify right side
    22,143,503.40x = 661,116,949,025,328.50
  5. Step 5: Solve for x
    x = 661,116,949,025,328.50/22,143,503.40
  6. Step 6: Final answer
    x = 29,856,023.10

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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.