Finding the Fourth Proportional to 19,575,368.20, 29,363,052.30 and 18,063,713.80
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Solution
The fourth proportional to 19,575,368.20, 29,363,052.30 and 18,063,713.80 is: 27,095,570.70
Step by Step Solution
- Step 1: Write the proportion equation
19,575,368.20 : 29,363,052.30 = 18,063,713.80 : x - Step 2: Convert to fraction form
19,575,368.20/29,363,052.30 = 18,063,713.80/x - Step 3: Cross multiply
19,575,368.20x = 29,363,052.30 × 18,063,713.80 - Step 4: Simplify right side
19,575,368.20x = 530,405,773,041,631.75 - Step 5: Solve for x
x = 530,405,773,041,631.75/19,575,368.20 - Step 6: Final answer
x = 27,095,570.70
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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.