Finding the Fourth Proportional to 12,196,293.86, 18,290,695.35 and 8,433,954.02
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Solution
The fourth proportional to 12,196,293.86, 18,290,695.35 and 8,433,954.02 is: 12,648,340.99
Step by Step Solution
- Step 1: Write the proportion equation
12,196,293.86 : 18,290,695.35 = 8,433,954.02 : x - Step 2: Convert to fraction form
12,196,293.86/18,290,695.35 = 8,433,954.02/x - Step 3: Cross multiply
12,196,293.86x = 18,290,695.35 × 8,433,954.02 - Step 4: Simplify right side
12,196,293.86x = 154,262,883,575,727.81 - Step 5: Solve for x
x = 154,262,883,575,727.81/12,196,293.86 - Step 6: Final answer
x = 12,648,340.99
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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.