Finding the Fourth Proportional to 10,038,465.68, 13,853,033.96 and 5,687,543.44
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Solution
The fourth proportional to 10,038,465.68, 13,853,033.96 and 5,687,543.44 is: 7,848,782.37
Step by Step Solution
- Step 1: Write the proportion equation
10,038,465.68 : 13,853,033.96 = 5,687,543.44 : x - Step 2: Convert to fraction form
10,038,465.68/13,853,033.96 = 5,687,543.44/x - Step 3: Cross multiply
10,038,465.68x = 13,853,033.96 × 5,687,543.44 - Step 4: Simplify right side
10,038,465.68x = 78,789,732,423,295.23 - Step 5: Solve for x
x = 78,789,732,423,295.23/10,038,465.68 - Step 6: Final answer
x = 7,848,782.37
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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.