Finding the Fourth Proportional to 34,412,784.09, 47,490,894.81 and 18,731,048.91
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Solution
The fourth proportional to 34,412,784.09, 47,490,894.81 and 18,731,048.91 is: 25,849,529.38
Step by Step Solution
- Step 1: Write the proportion equation
34,412,784.09 : 47,490,894.81 = 18,731,048.91 : x - Step 2: Convert to fraction form
34,412,784.09/47,490,894.81 = 18,731,048.91/x - Step 3: Cross multiply
34,412,784.09x = 47,490,894.81 × 18,731,048.91 - Step 4: Simplify right side
34,412,784.09x = 889,554,273,465,775.25 - Step 5: Solve for x
x = 889,554,273,465,775.25/34,412,784.09 - Step 6: Final answer
x = 25,849,529.38
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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.