Finding the Fourth Proportional to 14,279,756.29, 19,706,406.10 and 7,753,660.81
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Solution
The fourth proportional to 14,279,756.29, 19,706,406.10 and 7,753,660.81 is: 10,700,237.84
Step by Step Solution
- Step 1: Write the proportion equation
14,279,756.29 : 19,706,406.10 = 7,753,660.81 : x - Step 2: Convert to fraction form
14,279,756.29/19,706,406.10 = 7,753,660.81/x - Step 3: Cross multiply
14,279,756.29x = 19,706,406.10 × 7,753,660.81 - Step 4: Simplify right side
14,279,756.29x = 152,796,788,614,864.78 - Step 5: Solve for x
x = 152,796,788,614,864.78/14,279,756.29 - Step 6: Final answer
x = 10,700,237.84
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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.