Finding the Fourth Proportional to 34,362,578.08, 47,417,553.12 and 20,231,534.08
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Solution
The fourth proportional to 34,362,578.08, 47,417,553.12 and 20,231,534.08 is: 27,917,865.76
Step by Step Solution
- Step 1: Write the proportion equation
34,362,578.08 : 47,417,553.12 = 20,231,534.08 : x - Step 2: Convert to fraction form
34,362,578.08/47,417,553.12 = 20,231,534.08/x - Step 3: Cross multiply
34,362,578.08x = 47,417,553.12 × 20,231,534.08 - Step 4: Simplify right side
34,362,578.08x = 959,329,841,937,490.25 - Step 5: Solve for x
x = 959,329,841,937,490.25/34,362,578.08 - Step 6: Final answer
x = 27,917,865.76
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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.