Home / 7,298,940.72-10,072,359.84-4,035,672.48

Finding the Fourth Proportional to 7,298,940.72, 10,072,359.84 and 4,035,672.48

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Solution

The fourth proportional to 7,298,940.72, 10,072,359.84 and 4,035,672.48 is: 5,569,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298,940.72 : 10,072,359.84 = 4,035,672.48 : x
  2. Step 2: Convert to fraction form
    7,298,940.72/10,072,359.84 = 4,035,672.48/x
  3. Step 3: Cross multiply
    7,298,940.72x = 10,072,359.84 × 4,035,672.48
  4. Step 4: Simplify right side
    7,298,940.72x = 40,648,745,414,945.20
  5. Step 5: Solve for x
    x = 40,648,745,414,945.20/7,298,940.72
  6. Step 6: Final answer
    x = 5,569,129.41

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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.