Finding the Fourth Proportional to 7,344,908.70, 11,017,363.05 and 3,943,686.30
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Solution
The fourth proportional to 7,344,908.70, 11,017,363.05 and 3,943,686.30 is: 5,915,529.45
Step by Step Solution
- Step 1: Write the proportion equation
7,344,908.70 : 11,017,363.05 = 3,943,686.30 : x - Step 2: Convert to fraction form
7,344,908.70/11,017,363.05 = 3,943,686.30/x - Step 3: Cross multiply
7,344,908.70x = 11,017,363.05 × 3,943,686.30 - Step 4: Simplify right side
7,344,908.70x = 43,449,023,722,411.22 - Step 5: Solve for x
x = 43,449,023,722,411.22/7,344,908.70 - Step 6: Final answer
x = 5,915,529.45
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Similar ratio
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1.5x scale
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.