Finding the Fourth Proportional to 36,000,728.48, 49,681,136.96 and 19,480,853.20
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Solution
The fourth proportional to 36,000,728.48, 49,681,136.96 and 19,480,853.20 is: 26,883,648.66
Step by Step Solution
- Step 1: Write the proportion equation
36,000,728.48 : 49,681,136.96 = 19,480,853.20 : x - Step 2: Convert to fraction form
36,000,728.48/49,681,136.96 = 19,480,853.20/x - Step 3: Cross multiply
36,000,728.48x = 49,681,136.96 × 19,480,853.20 - Step 4: Simplify right side
36,000,728.48x = 967,830,935,926,854.25 - Step 5: Solve for x
x = 967,830,935,926,854.25/36,000,728.48 - Step 6: Final answer
x = 26,883,648.66
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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.