Finding the Fourth Proportional to 16,664,120.29, 24,995,999.80 and 12,645,289.09
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Solution
The fourth proportional to 16,664,120.29, 24,995,999.80 and 12,645,289.09 is: 18,967,796.56
Step by Step Solution
- Step 1: Write the proportion equation
16,664,120.29 : 24,995,999.80 = 12,645,289.09 : x - Step 2: Convert to fraction form
16,664,120.29/24,995,999.80 = 12,645,289.09/x - Step 3: Cross multiply
16,664,120.29x = 24,995,999.80 × 12,645,289.09 - Step 4: Simplify right side
16,664,120.29x = 316,081,643,564,582.19 - Step 5: Solve for x
x = 316,081,643,564,582.19/16,664,120.29 - Step 6: Final answer
x = 18,967,796.56
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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.