Finding the Fourth Proportional to 19,587,722.80, 27,445,206.80 and 19,587,722.80
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Solution
The fourth proportional to 19,587,722.80, 27,445,206.80 and 19,587,722.80 is: 27,445,206.80
Step by Step Solution
- Step 1: Write the proportion equation
19,587,722.80 : 27,445,206.80 = 19,587,722.80 : x - Step 2: Convert to fraction form
19,587,722.80/27,445,206.80 = 19,587,722.80/x - Step 3: Cross multiply
19,587,722.80x = 27,445,206.80 × 19,587,722.80 - Step 4: Simplify right side
19,587,722.80x = 537,589,102,987,075.06 - Step 5: Solve for x
x = 537,589,102,987,075.06/19,587,722.80 - Step 6: Final answer
x = 27,445,206.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.