Finding the Fourth Proportional to 13,133,494.48, 18,125,894.28 and 7,625,772.88
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Solution
The fourth proportional to 13,133,494.48, 18,125,894.28 and 7,625,772.88 is: 10,524,537.34
Step by Step Solution
- Step 1: Write the proportion equation
13,133,494.48 : 18,125,894.28 = 7,625,772.88 : x - Step 2: Convert to fraction form
13,133,494.48/18,125,894.28 = 7,625,772.88/x - Step 3: Cross multiply
13,133,494.48x = 18,125,894.28 × 7,625,772.88 - Step 4: Simplify right side
13,133,494.48x = 138,223,953,026,171.14 - Step 5: Solve for x
x = 138,223,953,026,171.14/13,133,494.48 - Step 6: Final answer
x = 10,524,537.34
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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.