Finding the Fourth Proportional to 8,913,854.93, 13,366,888.74 and 3,154,674.42
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Solution
The fourth proportional to 8,913,854.93, 13,366,888.74 and 3,154,674.42 is: 4,730,633.64
Step by Step Solution
- Step 1: Write the proportion equation
8,913,854.93 : 13,366,888.74 = 3,154,674.42 : x - Step 2: Convert to fraction form
8,913,854.93/13,366,888.74 = 3,154,674.42/x - Step 3: Cross multiply
8,913,854.93x = 13,366,888.74 × 3,154,674.42 - Step 4: Simplify right side
8,913,854.93x = 42,168,181,983,064.03 - Step 5: Solve for x
x = 42,168,181,983,064.03/8,913,854.93 - Step 6: Final answer
x = 4,730,633.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.