Finding the Fourth Proportional to 19,403,532.03, 29,125,485.45 and 14,291,733.93
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Solution
The fourth proportional to 19,403,532.03, 29,125,485.45 and 14,291,733.93 is: 21,452,469.99
Step by Step Solution
- Step 1: Write the proportion equation
19,403,532.03 : 29,125,485.45 = 14,291,733.93 : x - Step 2: Convert to fraction form
19,403,532.03/29,125,485.45 = 14,291,733.93/x - Step 3: Cross multiply
19,403,532.03x = 29,125,485.45 × 14,291,733.93 - Step 4: Simplify right side
19,403,532.03x = 416,253,688,633,486.31 - Step 5: Solve for x
x = 416,253,688,633,486.31/19,403,532.03 - Step 6: Final answer
x = 21,452,469.99
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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.