Finding the Fourth Proportional to 11,877,375.60, 16,390,968.84 and 6,444,867.60
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Solution
The fourth proportional to 11,877,375.60, 16,390,968.84 and 6,444,867.60 is: 8,894,020.66
Step by Step Solution
- Step 1: Write the proportion equation
11,877,375.60 : 16,390,968.84 = 6,444,867.60 : x - Step 2: Convert to fraction form
11,877,375.60/16,390,968.84 = 6,444,867.60/x - Step 3: Cross multiply
11,877,375.60x = 16,390,968.84 × 6,444,867.60 - Step 4: Simplify right side
11,877,375.60x = 105,637,624,009,525.58 - Step 5: Solve for x
x = 105,637,624,009,525.58/11,877,375.60 - Step 6: Final answer
x = 8,894,020.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.