Home / 28,929,047.76-43,388,581.64-8,180,935.02

Finding the Fourth Proportional to 28,929,047.76, 43,388,581.64 and 8,180,935.02

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Solution

The fourth proportional to 28,929,047.76, 43,388,581.64 and 8,180,935.02 is: 12,269,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929,047.76 : 43,388,581.64 = 8,180,935.02 : x
  2. Step 2: Convert to fraction form
    28,929,047.76/43,388,581.64 = 8,180,935.02/x
  3. Step 3: Cross multiply
    28,929,047.76x = 43,388,581.64 × 8,180,935.02
  4. Step 4: Simplify right side
    28,929,047.76x = 354,959,166,965,900.31
  5. Step 5: Solve for x
    x = 354,959,166,965,900.31/28,929,047.76
  6. Step 6: Final answer
    x = 12,269,991.39

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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.