Finding the Fourth Proportional to 33,641,869.18, 46,425,772.29 and 18,171,953.98
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Solution
The fourth proportional to 33,641,869.18, 46,425,772.29 and 18,171,953.98 is: 25,077,292.61
Step by Step Solution
- Step 1: Write the proportion equation
33,641,869.18 : 46,425,772.29 = 18,171,953.98 : x - Step 2: Convert to fraction form
33,641,869.18/46,425,772.29 = 18,171,953.98/x - Step 3: Cross multiply
33,641,869.18x = 46,425,772.29 × 18,171,953.98 - Step 4: Simplify right side
33,641,869.18x = 843,646,997,539,839.25 - Step 5: Solve for x
x = 843,646,997,539,839.25/33,641,869.18 - Step 6: Final answer
x = 25,077,292.61
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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.