Finding the Fourth Proportional to 36,705,811.30, 55,058,716.95 and 19,699,699.30
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Solution
The fourth proportional to 36,705,811.30, 55,058,716.95 and 19,699,699.30 is: 29,549,548.95
Step by Step Solution
- Step 1: Write the proportion equation
36,705,811.30 : 55,058,716.95 = 19,699,699.30 : x - Step 2: Convert to fraction form
36,705,811.30/55,058,716.95 = 19,699,699.30/x - Step 3: Cross multiply
36,705,811.30x = 55,058,716.95 × 19,699,699.30 - Step 4: Simplify right side
36,705,811.30x = 1,084,640,167,758,813.25 - Step 5: Solve for x
x = 1,084,640,167,758,813.25/36,705,811.30 - Step 6: Final answer
x = 29,549,548.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.