Finding the Fourth Proportional to 38,637,077.80, 57,955,616.70 and 27,929,525.80
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Solution
The fourth proportional to 38,637,077.80, 57,955,616.70 and 27,929,525.80 is: 41,894,288.70
Step by Step Solution
- Step 1: Write the proportion equation
38,637,077.80 : 57,955,616.70 = 27,929,525.80 : x - Step 2: Convert to fraction form
38,637,077.80/57,955,616.70 = 27,929,525.80/x - Step 3: Cross multiply
38,637,077.80x = 57,955,616.70 × 27,929,525.80 - Step 4: Simplify right side
38,637,077.80x = 1,618,672,891,877,561 - Step 5: Solve for x
x = 1,618,672,891,877,561/38,637,077.80 - Step 6: Final answer
x = 41,894,288.70
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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.