Finding the Fourth Proportional to 14,293,697.22, 21,438,772.99 and 8,461,353.38
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Solution
The fourth proportional to 14,293,697.22, 21,438,772.99 and 8,461,353.38 is: 12,690,980.60
Step by Step Solution
- Step 1: Write the proportion equation
14,293,697.22 : 21,438,772.99 = 8,461,353.38 : x - Step 2: Convert to fraction form
14,293,697.22/21,438,772.99 = 8,461,353.38/x - Step 3: Cross multiply
14,293,697.22x = 21,438,772.99 × 8,461,353.38 - Step 4: Simplify right side
14,293,697.22x = 181,401,034,173,641.97 - Step 5: Solve for x
x = 181,401,034,173,641.97/14,293,697.22 - Step 6: Final answer
x = 12,690,980.60
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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.