Finding the Fourth Proportional to 14,453,480.82, 19,943,964.75 and 8,258,929.07
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Solution
The fourth proportional to 14,453,480.82, 19,943,964.75 and 8,258,929.07 is: 11,396,271.40
Step by Step Solution
- Step 1: Write the proportion equation
14,453,480.82 : 19,943,964.75 = 8,258,929.07 : x - Step 2: Convert to fraction form
14,453,480.82/19,943,964.75 = 8,258,929.07/x - Step 3: Cross multiply
14,453,480.82x = 19,943,964.75 × 8,258,929.07 - Step 4: Simplify right side
14,453,480.82x = 164,715,790,103,815.84 - Step 5: Solve for x
x = 164,715,790,103,815.84/14,453,480.82 - Step 6: Final answer
x = 11,396,271.40
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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.