Finding the Fourth Proportional to 7,762,304.64, 10,711,050.56 and 4,454,428.80
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Solution
The fourth proportional to 7,762,304.64, 10,711,050.56 and 4,454,428.80 is: 6,146,578.15
Step by Step Solution
- Step 1: Write the proportion equation
7,762,304.64 : 10,711,050.56 = 4,454,428.80 : x - Step 2: Convert to fraction form
7,762,304.64/10,711,050.56 = 4,454,428.80/x - Step 3: Cross multiply
7,762,304.64x = 10,711,050.56 × 4,454,428.80 - Step 4: Simplify right side
7,762,304.64x = 47,711,612,092,720.12 - Step 5: Solve for x
x = 47,711,612,092,720.12/7,762,304.64 - Step 6: Final answer
x = 6,146,578.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.