Finding the Fourth Proportional to 19,715,024.16, 27,208,371.56 and 10,896,197.36
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Solution
The fourth proportional to 19,715,024.16, 27,208,371.56 and 10,896,197.36 is: 15,037,657.77
Step by Step Solution
- Step 1: Write the proportion equation
19,715,024.16 : 27,208,371.56 = 10,896,197.36 : x - Step 2: Convert to fraction form
19,715,024.16/27,208,371.56 = 10,896,197.36/x - Step 3: Cross multiply
19,715,024.16x = 27,208,371.56 × 10,896,197.36 - Step 4: Simplify right side
19,715,024.16x = 296,467,786,171,448.25 - Step 5: Solve for x
x = 296,467,786,171,448.25/19,715,024.16 - Step 6: Final answer
x = 15,037,657.77
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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.