Finding the Fourth Proportional to 35,258,813.09, 48,657,161.95 and 19,788,897.73
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Solution
The fourth proportional to 35,258,813.09, 48,657,161.95 and 19,788,897.73 is: 27,308,678.81
Step by Step Solution
- Step 1: Write the proportion equation
35,258,813.09 : 48,657,161.95 = 19,788,897.73 : x - Step 2: Convert to fraction form
35,258,813.09/48,657,161.95 = 19,788,897.73/x - Step 3: Cross multiply
35,258,813.09x = 48,657,161.95 × 19,788,897.73 - Step 4: Simplify right side
35,258,813.09x = 962,871,601,692,027 - Step 5: Solve for x
x = 962,871,601,692,027/35,258,813.09 - Step 6: Final answer
x = 27,308,678.81
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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.