Finding the Fourth Proportional to 7,381,505.20, 11,072,257.80 and 2,062,721.20
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Solution
The fourth proportional to 7,381,505.20, 11,072,257.80 and 2,062,721.20 is: 3,094,081.80
Step by Step Solution
- Step 1: Write the proportion equation
7,381,505.20 : 11,072,257.80 = 2,062,721.20 : x - Step 2: Convert to fraction form
7,381,505.20/11,072,257.80 = 2,062,721.20/x - Step 3: Cross multiply
7,381,505.20x = 11,072,257.80 × 2,062,721.20 - Step 4: Simplify right side
7,381,505.20x = 22,838,980,895,925.36 - Step 5: Solve for x
x = 22,838,980,895,925.36/7,381,505.20 - Step 6: Final answer
x = 3,094,081.80
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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.