Finding the Fourth Proportional to 7,653,335.20, 11,475,767.86 and 3,037,645.56
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Solution
The fourth proportional to 7,653,335.20, 11,475,767.86 and 3,037,645.56 is: 4,554,787.47
Step by Step Solution
- Step 1: Write the proportion equation
7,653,335.20 : 11,475,767.86 = 3,037,645.56 : x - Step 2: Convert to fraction form
7,653,335.20/11,475,767.86 = 3,037,645.56/x - Step 3: Cross multiply
7,653,335.20x = 11,475,767.86 × 3,037,645.56 - Step 4: Simplify right side
7,653,335.20x = 34,859,315,287,519.70 - Step 5: Solve for x
x = 34,859,315,287,519.70/7,653,335.20 - Step 6: Final answer
x = 4,554,787.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.