Finding the Fourth Proportional to 19,127,952.10, 28,747,915.35 and 16,664,515.30
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Solution
The fourth proportional to 19,127,952.10, 28,747,915.35 and 16,664,515.30 is: 25,045,549.71
Step by Step Solution
- Step 1: Write the proportion equation
19,127,952.10 : 28,747,915.35 = 16,664,515.30 : x - Step 2: Convert to fraction form
19,127,952.10/28,747,915.35 = 16,664,515.30/x - Step 3: Cross multiply
19,127,952.10x = 28,747,915.35 × 16,664,515.30 - Step 4: Simplify right side
19,127,952.10x = 479,070,075,193,179.88 - Step 5: Solve for x
x = 479,070,075,193,179.88/19,127,952.10 - Step 6: Final answer
x = 25,045,549.71
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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.