Finding the Fourth Proportional to 26,265,625.74, 39,413,791.40 and 18,971,893.26
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Solution
The fourth proportional to 26,265,625.74, 39,413,791.40 and 18,971,893.26 is: 28,468,929.35
Step by Step Solution
- Step 1: Write the proportion equation
26,265,625.74 : 39,413,791.40 = 18,971,893.26 : x - Step 2: Convert to fraction form
26,265,625.74/39,413,791.40 = 18,971,893.26/x - Step 3: Cross multiply
26,265,625.74x = 39,413,791.40 × 18,971,893.26 - Step 4: Simplify right side
26,265,625.74x = 747,754,243,412,706 - Step 5: Solve for x
x = 747,754,243,412,706/26,265,625.74 - Step 6: Final answer
x = 28,468,929.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.