Finding the Fourth Proportional to 13,863,920.19, 20,787,875.69 and 4,276,724.55
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Solution
The fourth proportional to 13,863,920.19, 20,787,875.69 and 4,276,724.55 is: 6,412,617.58
Step by Step Solution
- Step 1: Write the proportion equation
13,863,920.19 : 20,787,875.69 = 4,276,724.55 : x - Step 2: Convert to fraction form
13,863,920.19/20,787,875.69 = 4,276,724.55/x - Step 3: Cross multiply
13,863,920.19x = 20,787,875.69 × 4,276,724.55 - Step 4: Simplify right side
13,863,920.19x = 88,904,018,284,387.56 - Step 5: Solve for x
x = 88,904,018,284,387.56/13,863,920.19 - Step 6: Final answer
x = 6,412,617.58
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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.