Finding the Fourth Proportional to 13,009,071.57, 17,952,281.15 and 7,207,832.13
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Solution
The fourth proportional to 13,009,071.57, 17,952,281.15 and 7,207,832.13 is: 9,946,676.68
Step by Step Solution
- Step 1: Write the proportion equation
13,009,071.57 : 17,952,281.15 = 7,207,832.13 : x - Step 2: Convert to fraction form
13,009,071.57/17,952,281.15 = 7,207,832.13/x - Step 3: Cross multiply
13,009,071.57x = 17,952,281.15 × 7,207,832.13 - Step 4: Simplify right side
13,009,071.57x = 129,397,028,843,724.19 - Step 5: Solve for x
x = 129,397,028,843,724.19/13,009,071.57 - Step 6: Final answer
x = 9,946,676.68
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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.