Finding the Fourth Proportional to 7,877,398.86, 11,816,101.08 and 2,486,594.52
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Solution
The fourth proportional to 7,877,398.86, 11,816,101.08 and 2,486,594.52 is: 3,729,892.66
Step by Step Solution
- Step 1: Write the proportion equation
7,877,398.86 : 11,816,101.08 = 2,486,594.52 : x - Step 2: Convert to fraction form
7,877,398.86/11,816,101.08 = 2,486,594.52/x - Step 3: Cross multiply
7,877,398.86x = 11,816,101.08 × 2,486,594.52 - Step 4: Simplify right side
7,877,398.86x = 29,381,852,193,294.08 - Step 5: Solve for x
x = 29,381,852,193,294.08/7,877,398.86 - Step 6: Final answer
x = 3,729,892.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.