Finding the Fourth Proportional to 29,643,945.71, 40,909,923.60 and 16,413,122.51
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Solution
The fourth proportional to 29,643,945.71, 40,909,923.60 and 16,413,122.51 is: 22,650,816.95
Step by Step Solution
- Step 1: Write the proportion equation
29,643,945.71 : 40,909,923.60 = 16,413,122.51 : x - Step 2: Convert to fraction form
29,643,945.71/40,909,923.60 = 16,413,122.51/x - Step 3: Cross multiply
29,643,945.71x = 40,909,923.60 × 16,413,122.51 - Step 4: Simplify right side
29,643,945.71x = 671,459,587,921,540.25 - Step 5: Solve for x
x = 671,459,587,921,540.25/29,643,945.71 - Step 6: Final answer
x = 22,650,816.95
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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.