Finding the Fourth Proportional to 19,428,075.90, 29,145,613.05 and 8,069,672.70
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Solution
The fourth proportional to 19,428,075.90, 29,145,613.05 and 8,069,672.70 is: 12,105,962.48
Step by Step Solution
- Step 1: Write the proportion equation
19,428,075.90 : 29,145,613.05 = 8,069,672.70 : x - Step 2: Convert to fraction form
19,428,075.90/29,145,613.05 = 8,069,672.70/x - Step 3: Cross multiply
19,428,075.90x = 29,145,613.05 × 8,069,672.70 - Step 4: Simplify right side
19,428,075.90x = 235,195,557,954,348.75 - Step 5: Solve for x
x = 235,195,557,954,348.75/19,428,075.90 - Step 6: Final answer
x = 12,105,962.48
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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.