Home / 9,450,772-13,042,065.44-5,158,420

Finding the Fourth Proportional to 9,450,772, 13,042,065.44 and 5,158,420

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Solution

The fourth proportional to 9,450,772, 13,042,065.44 and 5,158,420 is: 7,118,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450,772 : 13,042,065.44 = 5,158,420 : x
  2. Step 2: Convert to fraction form
    9,450,772/13,042,065.44 = 5,158,420/x
  3. Step 3: Cross multiply
    9,450,772x = 13,042,065.44 × 5,158,420
  4. Step 4: Simplify right side
    9,450,772x = 67,276,451,207,004.80
  5. Step 5: Solve for x
    x = 67,276,451,207,004.80/9,450,772
  6. Step 6: Final answer
    x = 7,118,619.64

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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.