Finding the Fourth Proportional to 36,712,832.21, 55,075,522.17 and 15,135,638.71
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Solution
The fourth proportional to 36,712,832.21, 55,075,522.17 and 15,135,638.71 is: 22,706,044.59
Step by Step Solution
- Step 1: Write the proportion equation
36,712,832.21 : 55,075,522.17 = 15,135,638.71 : x - Step 2: Convert to fraction form
36,712,832.21/55,075,522.17 = 15,135,638.71/x - Step 3: Cross multiply
36,712,832.21x = 55,075,522.17 × 15,135,638.71 - Step 4: Simplify right side
36,712,832.21x = 833,603,205,329,715.25 - Step 5: Solve for x
x = 833,603,205,329,715.25/36,712,832.21 - Step 6: Final answer
x = 22,706,044.59
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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.