Finding the Fourth Proportional to 41,486,485.80, 62,229,728.70 and 19,963,125.30
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Solution
The fourth proportional to 41,486,485.80, 62,229,728.70 and 19,963,125.30 is: 29,944,687.95
Step by Step Solution
- Step 1: Write the proportion equation
41,486,485.80 : 62,229,728.70 = 19,963,125.30 : x - Step 2: Convert to fraction form
41,486,485.80/62,229,728.70 = 19,963,125.30/x - Step 3: Cross multiply
41,486,485.80x = 62,229,728.70 × 19,963,125.30 - Step 4: Simplify right side
41,486,485.80x = 1,242,299,871,423,106.25 - Step 5: Solve for x
x = 1,242,299,871,423,106.25/41,486,485.80 - Step 6: Final answer
x = 29,944,687.95
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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.