Finding the Fourth Proportional to 38,637,109.80, 57,955,664.70 and 27,299,701.80
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Solution
The fourth proportional to 38,637,109.80, 57,955,664.70 and 27,299,701.80 is: 40,949,552.70
Step by Step Solution
- Step 1: Write the proportion equation
38,637,109.80 : 57,955,664.70 = 27,299,701.80 : x - Step 2: Convert to fraction form
38,637,109.80/57,955,664.70 = 27,299,701.80/x - Step 3: Cross multiply
38,637,109.80x = 57,955,664.70 × 27,299,701.80 - Step 4: Simplify right side
38,637,109.80x = 1,582,172,363,930,786.50 - Step 5: Solve for x
x = 1,582,172,363,930,786.50/38,637,109.80 - Step 6: Final answer
x = 40,949,552.70
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Similar ratio
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1.5x scale
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.