Finding the Fourth Proportional to 8,913,854.91, 13,366,888.76 and 3,154,674.42
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Solution
The fourth proportional to 8,913,854.91, 13,366,888.76 and 3,154,674.42 is: 4,730,633.65
Step by Step Solution
- Step 1: Write the proportion equation
8,913,854.91 : 13,366,888.76 = 3,154,674.42 : x - Step 2: Convert to fraction form
8,913,854.91/13,366,888.76 = 3,154,674.42/x - Step 3: Cross multiply
8,913,854.91x = 13,366,888.76 × 3,154,674.42 - Step 4: Simplify right side
8,913,854.91x = 42,168,182,030,384.15 - Step 5: Solve for x
x = 42,168,182,030,384.15/8,913,854.91 - Step 6: Final answer
x = 4,730,633.65
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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.