Finding the Fourth Proportional to 18,238,493.30, 27,365,275.95 and 7,998,054.26
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Solution
The fourth proportional to 18,238,493.30, 27,365,275.95 and 7,998,054.26 is: 12,000,386.12
Step by Step Solution
- Step 1: Write the proportion equation
18,238,493.30 : 27,365,275.95 = 7,998,054.26 : x - Step 2: Convert to fraction form
18,238,493.30/27,365,275.95 = 7,998,054.26/x - Step 3: Cross multiply
18,238,493.30x = 27,365,275.95 × 7,998,054.26 - Step 4: Simplify right side
18,238,493.30x = 218,868,961,887,973.03 - Step 5: Solve for x
x = 218,868,961,887,973.03/18,238,493.30 - Step 6: Final answer
x = 12,000,386.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.