Finding the Fourth Proportional to 40,975,126.68, 56,544,991.82 and 22,389,858.53
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Solution
The fourth proportional to 40,975,126.68, 56,544,991.82 and 22,389,858.53 is: 30,897,631.55
Step by Step Solution
- Step 1: Write the proportion equation
40,975,126.68 : 56,544,991.82 = 22,389,858.53 : x - Step 2: Convert to fraction form
40,975,126.68/56,544,991.82 = 22,389,858.53/x - Step 3: Cross multiply
40,975,126.68x = 56,544,991.82 × 22,389,858.53 - Step 4: Simplify right side
40,975,126.68x = 1,266,034,367,035,132.75 - Step 5: Solve for x
x = 1,266,034,367,035,132.75/40,975,126.68 - Step 6: Final answer
x = 30,897,631.55
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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.