Finding the Fourth Proportional to 26,646,262.20, 36,756,493.17 and 16,042,270.42
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Solution
The fourth proportional to 26,646,262.20, 36,756,493.17 and 16,042,270.42 is: 22,129,092.58
Step by Step Solution
- Step 1: Write the proportion equation
26,646,262.20 : 36,756,493.17 = 16,042,270.42 : x - Step 2: Convert to fraction form
26,646,262.20/36,756,493.17 = 16,042,270.42/x - Step 3: Cross multiply
26,646,262.20x = 36,756,493.17 × 16,042,270.42 - Step 4: Simplify right side
26,646,262.20x = 589,657,603,109,810.12 - Step 5: Solve for x
x = 589,657,603,109,810.12/26,646,262.20 - Step 6: Final answer
x = 22,129,092.58
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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.