Finding the Fourth Proportional to 12,291,822.40, 18,437,733.60 and 3,771,051.70
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Solution
The fourth proportional to 12,291,822.40, 18,437,733.60 and 3,771,051.70 is: 5,656,577.55
Step by Step Solution
- Step 1: Write the proportion equation
12,291,822.40 : 18,437,733.60 = 3,771,051.70 : x - Step 2: Convert to fraction form
12,291,822.40/18,437,733.60 = 3,771,051.70/x - Step 3: Cross multiply
12,291,822.40x = 18,437,733.60 × 3,771,051.70 - Step 4: Simplify right side
12,291,822.40x = 69,529,646,636,427.13 - Step 5: Solve for x
x = 69,529,646,636,427.13/12,291,822.40 - Step 6: Final answer
x = 5,656,577.55
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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.