Finding the Fourth Proportional to 32,130,625.60, 48,195,631.20 and 7,869,659.20
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Solution
The fourth proportional to 32,130,625.60, 48,195,631.20 and 7,869,659.20 is: 11,804,413.56
Step by Step Solution
- Step 1: Write the proportion equation
32,130,625.60 : 48,195,631.20 = 7,869,659.20 : x - Step 2: Convert to fraction form
32,130,625.60/48,195,631.20 = 7,869,659.20/x - Step 3: Cross multiply
32,130,625.60x = 48,195,631.20 × 7,869,659.20 - Step 4: Simplify right side
32,130,625.60x = 379,283,192,472,887.06 - Step 5: Solve for x
x = 379,283,192,472,887.06/32,130,625.60 - Step 6: Final answer
x = 11,804,413.56
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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.