Finding the Fourth Proportional to 26,212,079.90, 36,172,838.18 and 14,610,379.03
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Solution
The fourth proportional to 26,212,079.90, 36,172,838.18 and 14,610,379.03 is: 20,162,416.66
Step by Step Solution
- Step 1: Write the proportion equation
26,212,079.90 : 36,172,838.18 = 14,610,379.03 : x - Step 2: Convert to fraction form
26,212,079.90/36,172,838.18 = 14,610,379.03/x - Step 3: Cross multiply
26,212,079.90x = 36,172,838.18 × 14,610,379.03 - Step 4: Simplify right side
26,212,079.90x = 528,498,876,400,655.31 - Step 5: Solve for x
x = 528,498,876,400,655.31/26,212,079.90 - Step 6: Final answer
x = 20,162,416.66
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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.