Finding the Fourth Proportional to 26,745,452.42, 36,910,487.85 and 14,985,663.62
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Solution
The fourth proportional to 26,745,452.42, 36,910,487.85 and 14,985,663.62 is: 20,681,203.90
Step by Step Solution
- Step 1: Write the proportion equation
26,745,452.42 : 36,910,487.85 = 14,985,663.62 : x - Step 2: Convert to fraction form
26,745,452.42/36,910,487.85 = 14,985,663.62/x - Step 3: Cross multiply
26,745,452.42x = 36,910,487.85 × 14,985,663.62 - Step 4: Simplify right side
26,745,452.42x = 553,128,154,970,197 - Step 5: Solve for x
x = 553,128,154,970,197/26,745,452.42 - Step 6: Final answer
x = 20,681,203.90
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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.