Finding the Fourth Proportional to 11,575,117.84, 15,971,075.19 and 6,611,972.70
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Solution
The fourth proportional to 11,575,117.84, 15,971,075.19 and 6,611,972.70 is: 9,123,044.32
Step by Step Solution
- Step 1: Write the proportion equation
11,575,117.84 : 15,971,075.19 = 6,611,972.70 : x - Step 2: Convert to fraction form
11,575,117.84/15,971,075.19 = 6,611,972.70/x - Step 3: Cross multiply
11,575,117.84x = 15,971,075.19 × 6,611,972.70 - Step 4: Simplify right side
11,575,117.84x = 105,600,313,143,629.11 - Step 5: Solve for x
x = 105,600,313,143,629.11/11,575,117.84 - Step 6: Final answer
x = 9,123,044.32
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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.