Finding the Fourth Proportional to 38,521,315.96, 57,765,175.98 and 14,569,991.80
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Solution
The fourth proportional to 38,521,315.96, 57,765,175.98 and 14,569,991.80 is: 21,848,634.18
Step by Step Solution
- Step 1: Write the proportion equation
38,521,315.96 : 57,765,175.98 = 14,569,991.80 : x - Step 2: Convert to fraction form
38,521,315.96/57,765,175.98 = 14,569,991.80/x - Step 3: Cross multiply
38,521,315.96x = 57,765,175.98 × 14,569,991.80 - Step 4: Simplify right side
38,521,315.96x = 841,638,140,354,157 - Step 5: Solve for x
x = 841,638,140,354,157/38,521,315.96 - Step 6: Final answer
x = 21,848,634.18
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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.