Finding the Fourth Proportional to 39,445,452.23, 54,433,678.93 and 22,041,940.46
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Solution
The fourth proportional to 39,445,452.23, 54,433,678.93 and 22,041,940.46 is: 30,417,293.81
Step by Step Solution
- Step 1: Write the proportion equation
39,445,452.23 : 54,433,678.93 = 22,041,940.46 : x - Step 2: Convert to fraction form
39,445,452.23/54,433,678.93 = 22,041,940.46/x - Step 3: Cross multiply
39,445,452.23x = 54,433,678.93 × 22,041,940.46 - Step 4: Simplify right side
39,445,452.23x = 1,199,823,909,666,543.25 - Step 5: Solve for x
x = 1,199,823,909,666,543.25/39,445,452.23 - Step 6: Final answer
x = 30,417,293.81
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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.