Finding the Fourth Proportional to 12,926,630.34, 17,838,745.29 and 7,125,508.62
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Solution
The fourth proportional to 12,926,630.34, 17,838,745.29 and 7,125,508.62 is: 9,833,199.37
Step by Step Solution
- Step 1: Write the proportion equation
12,926,630.34 : 17,838,745.29 = 7,125,508.62 : x - Step 2: Convert to fraction form
12,926,630.34/17,838,745.29 = 7,125,508.62/x - Step 3: Cross multiply
12,926,630.34x = 17,838,745.29 × 7,125,508.62 - Step 4: Simplify right side
12,926,630.34x = 127,110,133,333,879.39 - Step 5: Solve for x
x = 127,110,133,333,879.39/12,926,630.34 - Step 6: Final answer
x = 9,833,199.37
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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.