Home / 7,962,509-10,988,157.62-4,477,846.74

Finding the Fourth Proportional to 7,962,509, 10,988,157.62 and 4,477,846.74

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Solution

The fourth proportional to 7,962,509, 10,988,157.62 and 4,477,846.74 is: 6,179,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962,509 : 10,988,157.62 = 4,477,846.74 : x
  2. Step 2: Convert to fraction form
    7,962,509/10,988,157.62 = 4,477,846.74/x
  3. Step 3: Cross multiply
    7,962,509x = 10,988,157.62 × 4,477,846.74
  4. Step 4: Simplify right side
    7,962,509x = 49,203,285,777,323.16
  5. Step 5: Solve for x
    x = 49,203,285,777,323.16/7,962,509
  6. Step 6: Final answer
    x = 6,179,369.57

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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.