Finding the Fourth Proportional to 13,247,452.88, 19,869,186.18 and 8,488,398.68
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Solution
The fourth proportional to 13,247,452.88, 19,869,186.18 and 8,488,398.68 is: 12,731,320.90
Step by Step Solution
- Step 1: Write the proportion equation
13,247,452.88 : 19,869,186.18 = 8,488,398.68 : x - Step 2: Convert to fraction form
13,247,452.88/19,869,186.18 = 8,488,398.68/x - Step 3: Cross multiply
13,247,452.88x = 19,869,186.18 × 8,488,398.68 - Step 4: Simplify right side
13,247,452.88x = 168,657,573,742,986.22 - Step 5: Solve for x
x = 168,657,573,742,986.22/13,247,452.88 - Step 6: Final answer
x = 12,731,320.90
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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.