Finding the Fourth Proportional to 19,813,901.94, 27,343,382.67 and 11,111,887.71
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Solution
The fourth proportional to 19,813,901.94, 27,343,382.67 and 11,111,887.71 is: 15,334,516.08
Step by Step Solution
- Step 1: Write the proportion equation
19,813,901.94 : 27,343,382.67 = 11,111,887.71 : x - Step 2: Convert to fraction form
19,813,901.94/27,343,382.67 = 11,111,887.71/x - Step 3: Cross multiply
19,813,901.94x = 27,343,382.67 × 11,111,887.71 - Step 4: Simplify right side
19,813,901.94x = 303,836,597,840,600 - Step 5: Solve for x
x = 303,836,597,840,600/19,813,901.94 - Step 6: Final answer
x = 15,334,516.08
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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.