Finding the Fourth Proportional to 52,199,329.12, 78,299,781.12 and 18,121,757.68
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Solution
The fourth proportional to 52,199,329.12, 78,299,781.12 and 18,121,757.68 is: 27,182,909.89
Step by Step Solution
- Step 1: Write the proportion equation
52,199,329.12 : 78,299,781.12 = 18,121,757.68 : x - Step 2: Convert to fraction form
52,199,329.12/78,299,781.12 = 18,121,757.68/x - Step 3: Cross multiply
52,199,329.12x = 78,299,781.12 × 18,121,757.68 - Step 4: Simplify right side
52,199,329.12x = 1,418,929,659,853,679 - Step 5: Solve for x
x = 1,418,929,659,853,679/52,199,329.12 - Step 6: Final answer
x = 27,182,909.89
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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.