Home / 6,949,913.76-10,426,322.16-2,157,478.56

Finding the Fourth Proportional to 6,949,913.76, 10,426,322.16 and 2,157,478.56

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Solution

The fourth proportional to 6,949,913.76, 10,426,322.16 and 2,157,478.56 is: 3,236,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949,913.76 : 10,426,322.16 = 2,157,478.56 : x
  2. Step 2: Convert to fraction form
    6,949,913.76/10,426,322.16 = 2,157,478.56/x
  3. Step 3: Cross multiply
    6,949,913.76x = 10,426,322.16 × 2,157,478.56
  4. Step 4: Simplify right side
    6,949,913.76x = 22,494,566,519,852.89
  5. Step 5: Solve for x
    x = 22,494,566,519,852.89/6,949,913.76
  6. Step 6: Final answer
    x = 3,236,668.44

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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.