Home / 30,019,395.36-41,426,801.03-16,268,359.49

Finding the Fourth Proportional to 30,019,395.36, 41,426,801.03 and 16,268,359.49

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Solution

The fourth proportional to 30,019,395.36, 41,426,801.03 and 16,268,359.49 is: 22,450,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019,395.36 : 41,426,801.03 = 16,268,359.49 : x
  2. Step 2: Convert to fraction form
    30,019,395.36/41,426,801.03 = 16,268,359.49/x
  3. Step 3: Cross multiply
    30,019,395.36x = 41,426,801.03 × 16,268,359.49
  4. Step 4: Simplify right side
    30,019,395.36x = 673,946,091,510,279.12
  5. Step 5: Solve for x
    x = 673,946,091,510,279.12/30,019,395.36
  6. Step 6: Final answer
    x = 22,450,355.29

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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.