Finding the Fourth Proportional to 19,801,166.48, 29,701,773.12 and 5,424,358.08
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Solution
The fourth proportional to 19,801,166.48, 29,701,773.12 and 5,424,358.08 is: 8,136,543.53
Step by Step Solution
- Step 1: Write the proportion equation
19,801,166.48 : 29,701,773.12 = 5,424,358.08 : x - Step 2: Convert to fraction form
19,801,166.48/29,701,773.12 = 5,424,358.08/x - Step 3: Cross multiply
19,801,166.48x = 29,701,773.12 × 5,424,358.08 - Step 4: Simplify right side
19,801,166.48x = 161,113,053,013,798.81 - Step 5: Solve for x
x = 161,113,053,013,798.81/19,801,166.48 - Step 6: Final answer
x = 8,136,543.53
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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.