Finding the Fourth Proportional to 10,743,349.74, 16,105,303.05 and 3,918,322.80
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Solution
The fourth proportional to 10,743,349.74, 16,105,303.05 and 3,918,322.80 is: 5,873,938.55
Step by Step Solution
- Step 1: Write the proportion equation
10,743,349.74 : 16,105,303.05 = 3,918,322.80 : x - Step 2: Convert to fraction form
10,743,349.74/16,105,303.05 = 3,918,322.80/x - Step 3: Cross multiply
10,743,349.74x = 16,105,303.05 × 3,918,322.80 - Step 4: Simplify right side
10,743,349.74x = 63,105,776,141,724.54 - Step 5: Solve for x
x = 63,105,776,141,724.54/10,743,349.74 - Step 6: Final answer
x = 5,873,938.55
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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.