Finding the Fourth Proportional to 7,752,451.11, 10,698,193.91 and 4,267,761.53
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Solution
The fourth proportional to 7,752,451.11, 10,698,193.91 and 4,267,761.53 is: 5,889,407.06
Step by Step Solution
- Step 1: Write the proportion equation
7,752,451.11 : 10,698,193.91 = 4,267,761.53 : x - Step 2: Convert to fraction form
7,752,451.11/10,698,193.91 = 4,267,761.53/x - Step 3: Cross multiply
7,752,451.11x = 10,698,193.91 × 4,267,761.53 - Step 4: Simplify right side
7,752,451.11x = 45,657,340,334,748.51 - Step 5: Solve for x
x = 45,657,340,334,748.51/7,752,451.11 - Step 6: Final answer
x = 5,889,407.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.