Finding the Fourth Proportional to 12,070,383.12, 16,656,795.72 and 6,637,875.12
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Solution
The fourth proportional to 12,070,383.12, 16,656,795.72 and 6,637,875.12 is: 9,160,084.55
Step by Step Solution
- Step 1: Write the proportion equation
12,070,383.12 : 16,656,795.72 = 6,637,875.12 : x - Step 2: Convert to fraction form
12,070,383.12/16,656,795.72 = 6,637,875.12/x - Step 3: Cross multiply
12,070,383.12x = 16,656,795.72 × 6,637,875.12 - Step 4: Simplify right side
12,070,383.12x = 110,565,729,888,710.50 - Step 5: Solve for x
x = 110,565,729,888,710.50/12,070,383.12 - Step 6: Final answer
x = 9,160,084.55
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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.