Finding the Fourth Proportional to 36,174,970.71, 49,921,448.18 and 19,878,496.47
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Solution
The fourth proportional to 36,174,970.71, 49,921,448.18 and 19,878,496.47 is: 27,432,318.86
Step by Step Solution
- Step 1: Write the proportion equation
36,174,970.71 : 49,921,448.18 = 19,878,496.47 : x - Step 2: Convert to fraction form
36,174,970.71/49,921,448.18 = 19,878,496.47/x - Step 3: Cross multiply
36,174,970.71x = 49,921,448.18 × 19,878,496.47 - Step 4: Simplify right side
36,174,970.71x = 992,363,331,324,025.38 - Step 5: Solve for x
x = 992,363,331,324,025.38/36,174,970.71 - Step 6: Final answer
x = 27,432,318.86
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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.