Finding the Fourth Proportional to 10,660,390.32, 14,711,338.44 and 5,765,612.80
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Solution
The fourth proportional to 10,660,390.32, 14,711,338.44 and 5,765,612.80 is: 7,956,545.55
Step by Step Solution
- Step 1: Write the proportion equation
10,660,390.32 : 14,711,338.44 = 5,765,612.80 : x - Step 2: Convert to fraction form
10,660,390.32/14,711,338.44 = 5,765,612.80/x - Step 3: Cross multiply
10,660,390.32x = 14,711,338.44 × 5,765,612.80 - Step 4: Simplify right side
10,660,390.32x = 84,819,881,214,796.03 - Step 5: Solve for x
x = 84,819,881,214,796.03/10,660,390.32 - Step 6: Final answer
x = 7,956,545.55
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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.