Finding the Fourth Proportional to 14,399,423.82, 19,871,206.74 and 7,873,057.80
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Solution
The fourth proportional to 14,399,423.82, 19,871,206.74 and 7,873,057.80 is: 10,864,820.79
Step by Step Solution
- Step 1: Write the proportion equation
14,399,423.82 : 19,871,206.74 = 7,873,057.80 : x - Step 2: Convert to fraction form
14,399,423.82/19,871,206.74 = 7,873,057.80/x - Step 3: Cross multiply
14,399,423.82x = 19,871,206.74 × 7,873,057.80 - Step 4: Simplify right side
14,399,423.82x = 156,447,159,219,769.56 - Step 5: Solve for x
x = 156,447,159,219,769.56/14,399,423.82 - Step 6: Final answer
x = 10,864,820.79
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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.