Finding the Fourth Proportional to 7,420,515.68, 10,241,393.68 and 4,157,551.38
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Solution
The fourth proportional to 7,420,515.68, 10,241,393.68 and 4,157,551.38 is: 5,738,027.15
Step by Step Solution
- Step 1: Write the proportion equation
7,420,515.68 : 10,241,393.68 = 4,157,551.38 : x - Step 2: Convert to fraction form
7,420,515.68/10,241,393.68 = 4,157,551.38/x - Step 3: Cross multiply
7,420,515.68x = 10,241,393.68 × 4,157,551.38 - Step 4: Simplify right side
7,420,515.68x = 42,579,120,427,407.27 - Step 5: Solve for x
x = 42,579,120,427,407.27/7,420,515.68 - Step 6: Final answer
x = 5,738,027.15
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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.