Finding the Fourth Proportional to 25,623,843.00, 35,328,827.56 and 21,386,495.99
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Solution
The fourth proportional to 25,623,843.00, 35,328,827.56 and 21,386,495.99 is: 29,486,592.97
Step by Step Solution
- Step 1: Write the proportion equation
25,623,843.00 : 35,328,827.56 = 21,386,495.99 : x - Step 2: Convert to fraction form
25,623,843.00/35,328,827.56 = 21,386,495.99/x - Step 3: Cross multiply
25,623,843.00x = 35,328,827.56 × 21,386,495.99 - Step 4: Simplify right side
25,623,843.00x = 755,559,828,903,839.50 - Step 5: Solve for x
x = 755,559,828,903,839.50/25,623,843.00 - Step 6: Final answer
x = 29,486,592.97
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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.