Finding the Fourth Proportional to 9,163,140.97, 12,645,352.86 and 5,033,258.62
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Solution
The fourth proportional to 9,163,140.97, 12,645,352.86 and 5,033,258.62 is: 6,946,016.82
Step by Step Solution
- Step 1: Write the proportion equation
9,163,140.97 : 12,645,352.86 = 5,033,258.62 : x - Step 2: Convert to fraction form
9,163,140.97/12,645,352.86 = 5,033,258.62/x - Step 3: Cross multiply
9,163,140.97x = 12,645,352.86 × 5,033,258.62 - Step 4: Simplify right side
9,163,140.97x = 63,647,331,285,536.65 - Step 5: Solve for x
x = 63,647,331,285,536.65/9,163,140.97 - Step 6: Final answer
x = 6,946,016.82
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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.