Home / 7,210,029.76-9,949,840.34-3,946,846.70

Finding the Fourth Proportional to 7,210,029.76, 9,949,840.34 and 3,946,846.70

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Solution

The fourth proportional to 7,210,029.76, 9,949,840.34 and 3,946,846.70 is: 5,446,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,029.76 : 9,949,840.34 = 3,946,846.70 : x
  2. Step 2: Convert to fraction form
    7,210,029.76/9,949,840.34 = 3,946,846.70/x
  3. Step 3: Cross multiply
    7,210,029.76x = 9,949,840.34 × 3,946,846.70
  4. Step 4: Simplify right side
    7,210,029.76x = 39,270,494,516,596.25
  5. Step 5: Solve for x
    x = 39,270,494,516,596.25/7,210,029.76
  6. Step 6: Final answer
    x = 5,446,648.05

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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.