Finding the Fourth Proportional to 7,971,239.86, 11,958,862.47 and 2,291,474.50
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Solution
The fourth proportional to 7,971,239.86, 11,958,862.47 and 2,291,474.50 is: 3,437,787.46
Step by Step Solution
- Step 1: Write the proportion equation
7,971,239.86 : 11,958,862.47 = 2,291,474.50 : x - Step 2: Convert to fraction form
7,971,239.86/11,958,862.47 = 2,291,474.50/x - Step 3: Cross multiply
7,971,239.86x = 11,958,862.47 × 2,291,474.50 - Step 4: Simplify right side
7,971,239.86x = 27,403,428,399,012.02 - Step 5: Solve for x
x = 27,403,428,399,012.02/7,971,239.86 - Step 6: Final answer
x = 3,437,787.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.