Finding the Fourth Proportional to 7,645,641.25, 11,468,088.20 and 2,852,956.84
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Solution
The fourth proportional to 7,645,641.25, 11,468,088.20 and 2,852,956.84 is: 4,279,295.82
Step by Step Solution
- Step 1: Write the proportion equation
7,645,641.25 : 11,468,088.20 = 2,852,956.84 : x - Step 2: Convert to fraction form
7,645,641.25/11,468,088.20 = 2,852,956.84/x - Step 3: Cross multiply
7,645,641.25x = 11,468,088.20 × 2,852,956.84 - Step 4: Simplify right side
7,645,641.25x = 32,717,960,671,878.12 - Step 5: Solve for x
x = 32,717,960,671,878.12/7,645,641.25 - Step 6: Final answer
x = 4,279,295.82
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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.