Home / 30,019,399.78-41,426,807.11-16,268,363.90

Finding the Fourth Proportional to 30,019,399.78, 41,426,807.11 and 16,268,363.90

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Solution

The fourth proportional to 30,019,399.78, 41,426,807.11 and 16,268,363.90 is: 22,450,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019,399.78 : 41,426,807.11 = 16,268,363.90 : x
  2. Step 2: Convert to fraction form
    30,019,399.78/41,426,807.11 = 16,268,363.90/x
  3. Step 3: Cross multiply
    30,019,399.78x = 41,426,807.11 × 16,268,363.90
  4. Step 4: Simplify right side
    30,019,399.78x = 673,946,373,343,483.50
  5. Step 5: Solve for x
    x = 673,946,373,343,483.50/30,019,399.78
  6. Step 6: Final answer
    x = 22,450,361.38

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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.