Finding the Fourth Proportional to 32,130,618.60, 48,195,620.70 and 7,869,652.20
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Solution
The fourth proportional to 32,130,618.60, 48,195,620.70 and 7,869,652.20 is: 11,804,403.06
Step by Step Solution
- Step 1: Write the proportion equation
32,130,618.60 : 48,195,620.70 = 7,869,652.20 : x - Step 2: Convert to fraction form
32,130,618.60/48,195,620.70 = 7,869,652.20/x - Step 3: Cross multiply
32,130,618.60x = 48,195,620.70 × 7,869,652.20 - Step 4: Simplify right side
32,130,618.60x = 379,282,772,472,120.56 - Step 5: Solve for x
x = 379,282,772,472,120.56/32,130,618.60 - Step 6: Final answer
x = 11,804,403.06
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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.