Finding the Fourth Proportional to 25,841,871.60, 38,768,056.20 and 8,804,266.80
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Solution
The fourth proportional to 25,841,871.60, 38,768,056.20 and 8,804,266.80 is: 13,208,188.45
Step by Step Solution
- Step 1: Write the proportion equation
25,841,871.60 : 38,768,056.20 = 8,804,266.80 : x - Step 2: Convert to fraction form
25,841,871.60/38,768,056.20 = 8,804,266.80/x - Step 3: Cross multiply
25,841,871.60x = 38,768,056.20 × 8,804,266.80 - Step 4: Simplify right side
25,841,871.60x = 341,324,310,102,194.19 - Step 5: Solve for x
x = 341,324,310,102,194.19/25,841,871.60 - Step 6: Final answer
x = 13,208,188.45
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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.