Finding the Fourth Proportional to 12,130,258.73, 16,739,838.10 and 6,623,672.03
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Solution
The fourth proportional to 12,130,258.73, 16,739,838.10 and 6,623,672.03 is: 9,140,711.66
Step by Step Solution
- Step 1: Write the proportion equation
12,130,258.73 : 16,739,838.10 = 6,623,672.03 : x - Step 2: Convert to fraction form
12,130,258.73/16,739,838.10 = 6,623,672.03/x - Step 3: Cross multiply
12,130,258.73x = 16,739,838.10 × 6,623,672.03 - Step 4: Simplify right side
12,130,258.73x = 110,879,197,325,999.16 - Step 5: Solve for x
x = 110,879,197,325,999.16/12,130,258.73 - Step 6: Final answer
x = 9,140,711.66
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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.