Finding the Fourth Proportional to 13,092,817.48, 18,068,648.64 and 7,291,599.21
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Solution
The fourth proportional to 13,092,817.48, 18,068,648.64 and 7,291,599.21 is: 10,062,719.07
Step by Step Solution
- Step 1: Write the proportion equation
13,092,817.48 : 18,068,648.64 = 7,291,599.21 : x - Step 2: Convert to fraction form
13,092,817.48/18,068,648.64 = 7,291,599.21/x - Step 3: Cross multiply
13,092,817.48x = 18,068,648.64 × 7,291,599.21 - Step 4: Simplify right side
13,092,817.48x = 131,749,344,121,848.08 - Step 5: Solve for x
x = 131,749,344,121,848.08/13,092,817.48 - Step 6: Final answer
x = 10,062,719.07
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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.