Finding the Fourth Proportional to 27,590,683.32, 38,075,153.40 and 15,994,968.66
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Solution
The fourth proportional to 27,590,683.32, 38,075,153.40 and 15,994,968.66 is: 22,073,062.79
Step by Step Solution
- Step 1: Write the proportion equation
27,590,683.32 : 38,075,153.40 = 15,994,968.66 : x - Step 2: Convert to fraction form
27,590,683.32/38,075,153.40 = 15,994,968.66/x - Step 3: Cross multiply
27,590,683.32x = 38,075,153.40 × 15,994,968.66 - Step 4: Simplify right side
27,590,683.32x = 609,010,885,357,692.38 - Step 5: Solve for x
x = 609,010,885,357,692.38/27,590,683.32 - Step 6: Final answer
x = 22,073,062.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.