Finding the Fourth Proportional to 14,276,636.46, 19,701,782.91 and 8,165,064.96
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Solution
The fourth proportional to 14,276,636.46, 19,701,782.91 and 8,165,064.96 is: 11,267,803.71
Step by Step Solution
- Step 1: Write the proportion equation
14,276,636.46 : 19,701,782.91 = 8,165,064.96 : x - Step 2: Convert to fraction form
14,276,636.46/19,701,782.91 = 8,165,064.96/x - Step 3: Cross multiply
14,276,636.46x = 19,701,782.91 × 8,165,064.96 - Step 4: Simplify right side
14,276,636.46x = 160,866,337,287,967.84 - Step 5: Solve for x
x = 160,866,337,287,967.84/14,276,636.46 - Step 6: Final answer
x = 11,267,803.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.