Finding the Fourth Proportional to 12,119,242.94, 16,725,374.80 and 6,964,659.26
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Solution
The fourth proportional to 12,119,242.94, 16,725,374.80 and 6,964,659.26 is: 9,611,700.75
Step by Step Solution
- Step 1: Write the proportion equation
12,119,242.94 : 16,725,374.80 = 6,964,659.26 : x - Step 2: Convert to fraction form
12,119,242.94/16,725,374.80 = 6,964,659.26/x - Step 3: Cross multiply
12,119,242.94x = 16,725,374.80 × 6,964,659.26 - Step 4: Simplify right side
12,119,242.94x = 116,486,536,477,790.66 - Step 5: Solve for x
x = 116,486,536,477,790.66/12,119,242.94 - Step 6: Final answer
x = 9,611,700.75
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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.