Finding the Fourth Proportional to 27,210,429.70, 37,548,975.81 and 16,896,932.98
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Solution
The fourth proportional to 27,210,429.70, 37,548,975.81 and 16,896,932.98 is: 23,316,887.48
Step by Step Solution
- Step 1: Write the proportion equation
27,210,429.70 : 37,548,975.81 = 16,896,932.98 : x - Step 2: Convert to fraction form
27,210,429.70/37,548,975.81 = 16,896,932.98/x - Step 3: Cross multiply
27,210,429.70x = 37,548,975.81 × 16,896,932.98 - Step 4: Simplify right side
27,210,429.70x = 634,462,527,729,211.25 - Step 5: Solve for x
x = 634,462,527,729,211.25/27,210,429.70 - Step 6: Final answer
x = 23,316,887.48
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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.