Home / 30,831,429.50-42,543,940.00-17,076,949.10

Finding the Fourth Proportional to 30,831,429.50, 42,543,940.00 and 17,076,949.10

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Solution

The fourth proportional to 30,831,429.50, 42,543,940.00 and 17,076,949.10 is: 23,564,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831,429.50 : 42,543,940.00 = 17,076,949.10 : x
  2. Step 2: Convert to fraction form
    30,831,429.50/42,543,940.00 = 17,076,949.10/x
  3. Step 3: Cross multiply
    30,831,429.50x = 42,543,940.00 × 17,076,949.10
  4. Step 4: Simplify right side
    30,831,429.50x = 726,520,697,909,370.88
  5. Step 5: Solve for x
    x = 726,520,697,909,370.88/30,831,429.50
  6. Step 6: Final answer
    x = 23,564,288.44

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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.