Finding the Fourth Proportional to 14,046,399.15, 19,385,603.97 and 7,935,221.31
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Solution
The fourth proportional to 14,046,399.15, 19,385,603.97 and 7,935,221.31 is: 10,951,494.12
Step by Step Solution
- Step 1: Write the proportion equation
14,046,399.15 : 19,385,603.97 = 7,935,221.31 : x - Step 2: Convert to fraction form
14,046,399.15/19,385,603.97 = 7,935,221.31/x - Step 3: Cross multiply
14,046,399.15x = 19,385,603.97 × 7,935,221.31 - Step 4: Simplify right side
14,046,399.15x = 153,829,057,729,964.59 - Step 5: Solve for x
x = 153,829,057,729,964.59/14,046,399.15 - Step 6: Final answer
x = 10,951,494.12
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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.