Finding the Fourth Proportional to 40,975,129.87, 56,544,996.21 and 22,389,861.71
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Solution
The fourth proportional to 40,975,129.87, 56,544,996.21 and 22,389,861.71 is: 30,897,635.95
Step by Step Solution
- Step 1: Write the proportion equation
40,975,129.87 : 56,544,996.21 = 22,389,861.71 : x - Step 2: Convert to fraction form
40,975,129.87/56,544,996.21 = 22,389,861.71/x - Step 3: Cross multiply
40,975,129.87x = 56,544,996.21 × 22,389,861.71 - Step 4: Simplify right side
40,975,129.87x = 1,266,034,645,534,374.25 - Step 5: Solve for x
x = 1,266,034,645,534,374.25/40,975,129.87 - Step 6: Final answer
x = 30,897,635.95
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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.