Finding the Fourth Proportional to 7,340,020.84, 11,010,031.26 and 2,291,763.88
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Solution
The fourth proportional to 7,340,020.84, 11,010,031.26 and 2,291,763.88 is: 3,437,645.82
Step by Step Solution
- Step 1: Write the proportion equation
7,340,020.84 : 11,010,031.26 = 2,291,763.88 : x - Step 2: Convert to fraction form
7,340,020.84/11,010,031.26 = 2,291,763.88/x - Step 3: Cross multiply
7,340,020.84x = 11,010,031.26 × 2,291,763.88 - Step 4: Simplify right side
7,340,020.84x = 25,232,391,959,338.89 - Step 5: Solve for x
x = 25,232,391,959,338.89/7,340,020.84 - Step 6: Final answer
x = 3,437,645.82
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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.