Finding the Fourth Proportional to 18,208,587.62, 25,127,553.66 and 9,948,472.14
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Solution
The fourth proportional to 18,208,587.62, 25,127,553.66 and 9,948,472.14 is: 13,728,729.14
Step by Step Solution
- Step 1: Write the proportion equation
18,208,587.62 : 25,127,553.66 = 9,948,472.14 : x - Step 2: Convert to fraction form
18,208,587.62/25,127,553.66 = 9,948,472.14/x - Step 3: Cross multiply
18,208,587.62x = 25,127,553.66 × 9,948,472.14 - Step 4: Simplify right side
18,208,587.62x = 249,980,767,532,865.06 - Step 5: Solve for x
x = 249,980,767,532,865.06/18,208,587.62 - Step 6: Final answer
x = 13,728,729.14
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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.