Finding the Fourth Proportional to 7,439,521.84, 10,266,498.87 and 4,176,335.70
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Solution
The fourth proportional to 7,439,521.84, 10,266,498.87 and 4,176,335.70 is: 5,763,320.10
Step by Step Solution
- Step 1: Write the proportion equation
7,439,521.84 : 10,266,498.87 = 4,176,335.70 : x - Step 2: Convert to fraction form
7,439,521.84/10,266,498.87 = 4,176,335.70/x - Step 3: Cross multiply
7,439,521.84x = 10,266,498.87 × 4,176,335.70 - Step 4: Simplify right side
7,439,521.84x = 42,876,345,744,790.66 - Step 5: Solve for x
x = 42,876,345,744,790.66/7,439,521.84 - Step 6: Final answer
x = 5,763,320.10
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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.