Finding the Fourth Proportional to 19,319,991.18, 28,985,213.43 and 6,540,496.98
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Solution
The fourth proportional to 19,319,991.18, 28,985,213.43 and 6,540,496.98 is: 9,812,514.88
Step by Step Solution
- Step 1: Write the proportion equation
19,319,991.18 : 28,985,213.43 = 6,540,496.98 : x - Step 2: Convert to fraction form
19,319,991.18/28,985,213.43 = 6,540,496.98/x - Step 3: Cross multiply
19,319,991.18x = 28,985,213.43 × 6,540,496.98 - Step 4: Simplify right side
19,319,991.18x = 189,577,700,903,570.44 - Step 5: Solve for x
x = 189,577,700,903,570.44/19,319,991.18 - Step 6: Final answer
x = 9,812,514.88
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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.