Finding the Fourth Proportional to 45,748,843.88, 68,625,472.79 and 15,042,743.42
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Solution
The fourth proportional to 45,748,843.88, 68,625,472.79 and 15,042,743.42 is: 22,564,840.80
Step by Step Solution
- Step 1: Write the proportion equation
45,748,843.88 : 68,625,472.79 = 15,042,743.42 : x - Step 2: Convert to fraction form
45,748,843.88/68,625,472.79 = 15,042,743.42/x - Step 3: Cross multiply
45,748,843.88x = 68,625,472.79 × 15,042,743.42 - Step 4: Simplify right side
45,748,843.88x = 1,032,315,378,950,641 - Step 5: Solve for x
x = 1,032,315,378,950,641/45,748,843.88 - Step 6: Final answer
x = 22,564,840.80
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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.