Finding the Fourth Proportional to 14,293,935.81, 21,444,905.93 and 5,780,250.99
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Solution
The fourth proportional to 14,293,935.81, 21,444,905.93 and 5,780,250.99 is: 8,671,994.92
Step by Step Solution
- Step 1: Write the proportion equation
14,293,935.81 : 21,444,905.93 = 5,780,250.99 : x - Step 2: Convert to fraction form
14,293,935.81/21,444,905.93 = 5,780,250.99/x - Step 3: Cross multiply
14,293,935.81x = 21,444,905.93 × 5,780,250.99 - Step 4: Simplify right side
14,293,935.81x = 123,956,938,703,438.12 - Step 5: Solve for x
x = 123,956,938,703,438.12/14,293,935.81 - Step 6: Final answer
x = 8,671,994.92
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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.