Home / 30,831,430.22-42,543,940.99-17,076,949.82

Finding the Fourth Proportional to 30,831,430.22, 42,543,940.99 and 17,076,949.82

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Solution

The fourth proportional to 30,831,430.22, 42,543,940.99 and 17,076,949.82 is: 23,564,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831,430.22 : 42,543,940.99 = 17,076,949.82 : x
  2. Step 2: Convert to fraction form
    30,831,430.22/42,543,940.99 = 17,076,949.82/x
  3. Step 3: Cross multiply
    30,831,430.22x = 42,543,940.99 × 17,076,949.82
  4. Step 4: Simplify right side
    30,831,430.22x = 726,520,745,431,271.12
  5. Step 5: Solve for x
    x = 726,520,745,431,271.12/30,831,430.22
  6. Step 6: Final answer
    x = 23,564,289.44

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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.