Finding the Fourth Proportional to 13,298,484.62, 19,948,858.71 and 4,198,147.99
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Solution
The fourth proportional to 13,298,484.62, 19,948,858.71 and 4,198,147.99 is: 6,297,579.27
Step by Step Solution
- Step 1: Write the proportion equation
13,298,484.62 : 19,948,858.71 = 4,198,147.99 : x - Step 2: Convert to fraction form
13,298,484.62/19,948,858.71 = 4,198,147.99/x - Step 3: Cross multiply
13,298,484.62x = 19,948,858.71 × 4,198,147.99 - Step 4: Simplify right side
13,298,484.62x = 83,748,261,030,565.30 - Step 5: Solve for x
x = 83,748,261,030,565.30/13,298,484.62 - Step 6: Final answer
x = 6,297,579.27
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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.