Finding the Fourth Proportional to 18,085,833.18, 24,952,277.12 and 11,207,805.66
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Solution
The fourth proportional to 18,085,833.18, 24,952,277.12 and 11,207,805.66 is: 15,462,946.60
Step by Step Solution
- Step 1: Write the proportion equation
18,085,833.18 : 24,952,277.12 = 11,207,805.66 : x - Step 2: Convert to fraction form
18,085,833.18/24,952,277.12 = 11,207,805.66/x - Step 3: Cross multiply
18,085,833.18x = 24,952,277.12 × 11,207,805.66 - Step 4: Simplify right side
18,085,833.18x = 279,660,272,679,385.47 - Step 5: Solve for x
x = 279,660,272,679,385.47/18,085,833.18 - Step 6: Final answer
x = 15,462,946.60
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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.