Finding the Fourth Proportional to 35,258,907.15, 48,657,291.30 and 19,788,992.15
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Solution
The fourth proportional to 35,258,907.15, 48,657,291.30 and 19,788,992.15 is: 27,308,808.84
Step by Step Solution
- Step 1: Write the proportion equation
35,258,907.15 : 48,657,291.30 = 19,788,992.15 : x - Step 2: Convert to fraction form
35,258,907.15/48,657,291.30 = 19,788,992.15/x - Step 3: Cross multiply
35,258,907.15x = 48,657,291.30 × 19,788,992.15 - Step 4: Simplify right side
35,258,907.15x = 962,878,755,332,676.75 - Step 5: Solve for x
x = 962,878,755,332,676.75/35,258,907.15 - Step 6: Final answer
x = 27,308,808.84
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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.