Home / 6,678,467.28-9,209,314.44-3,961,688.40

Finding the Fourth Proportional to 6,678,467.28, 9,209,314.44 and 3,961,688.40

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Solution

The fourth proportional to 6,678,467.28, 9,209,314.44 and 3,961,688.40 is: 5,462,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678,467.28 : 9,209,314.44 = 3,961,688.40 : x
  2. Step 2: Convert to fraction form
    6,678,467.28/9,209,314.44 = 3,961,688.40/x
  3. Step 3: Cross multiply
    6,678,467.28x = 9,209,314.44 × 3,961,688.40
  4. Step 4: Simplify right side
    6,678,467.28x = 36,484,434,188,900.49
  5. Step 5: Solve for x
    x = 36,484,434,188,900.49/6,678,467.28
  6. Step 6: Final answer
    x = 5,462,995.12

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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.