Finding the Fourth Proportional to 13,518,823.65, 20,278,235.71 and 3,283,614.46
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Solution
The fourth proportional to 13,518,823.65, 20,278,235.71 and 3,283,614.46 is: 4,925,421.75
Step by Step Solution
- Step 1: Write the proportion equation
13,518,823.65 : 20,278,235.71 = 3,283,614.46 : x - Step 2: Convert to fraction form
13,518,823.65/20,278,235.71 = 3,283,614.46/x - Step 3: Cross multiply
13,518,823.65x = 20,278,235.71 × 3,283,614.46 - Step 4: Simplify right side
13,518,823.65x = 66,585,908,068,658.88 - Step 5: Solve for x
x = 66,585,908,068,658.88/13,518,823.65 - Step 6: Final answer
x = 4,925,421.75
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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.