Finding the Fourth Proportional to 19,895,209.76, 29,834,628.27 and 7,603,712.99
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Solution
The fourth proportional to 19,895,209.76, 29,834,628.27 and 7,603,712.99 is: 11,402,440.75
Step by Step Solution
- Step 1: Write the proportion equation
19,895,209.76 : 29,834,628.27 = 7,603,712.99 : x - Step 2: Convert to fraction form
19,895,209.76/29,834,628.27 = 7,603,712.99/x - Step 3: Cross multiply
19,895,209.76x = 29,834,628.27 × 7,603,712.99 - Step 4: Simplify right side
19,895,209.76x = 226,853,950,379,247.09 - Step 5: Solve for x
x = 226,853,950,379,247.09/19,895,209.76 - Step 6: Final answer
x = 11,402,440.75
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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.