Finding the Fourth Proportional to 19,897,821.00, 29,852,822.75 and 10,189,307.99
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Solution
The fourth proportional to 19,897,821.00, 29,852,822.75 and 10,189,307.99 is: 15,287,081.20
Step by Step Solution
- Step 1: Write the proportion equation
19,897,821.00 : 29,852,822.75 = 10,189,307.99 : x - Step 2: Convert to fraction form
19,897,821.00/29,852,822.75 = 10,189,307.99/x - Step 3: Cross multiply
19,897,821.00x = 29,852,822.75 × 10,189,307.99 - Step 4: Simplify right side
19,897,821.00x = 304,179,605,240,718.31 - Step 5: Solve for x
x = 304,179,605,240,718.31/19,897,821.00 - Step 6: Final answer
x = 15,287,081.20
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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.