Finding the Fourth Proportional to 7,440,159.88, 10,266,711.42 and 4,176,226.54
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Solution
The fourth proportional to 7,440,159.88, 10,266,711.42 and 4,176,226.54 is: 5,762,794.54
Step by Step Solution
- Step 1: Write the proportion equation
7,440,159.88 : 10,266,711.42 = 4,176,226.54 : x - Step 2: Convert to fraction form
7,440,159.88/10,266,711.42 = 4,176,226.54/x - Step 3: Cross multiply
7,440,159.88x = 10,266,711.42 × 4,176,226.54 - Step 4: Simplify right side
7,440,159.88x = 42,876,112,710,725.09 - Step 5: Solve for x
x = 42,876,112,710,725.09/7,440,159.88 - Step 6: Final answer
x = 5,762,794.54
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1.5x scale
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.