Finding the Fourth Proportional to 13,304,340.90, 19,956,511.35 and 11,656,873.80
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Solution
The fourth proportional to 13,304,340.90, 19,956,511.35 and 11,656,873.80 is: 17,485,310.70
Step by Step Solution
- Step 1: Write the proportion equation
13,304,340.90 : 19,956,511.35 = 11,656,873.80 : x - Step 2: Convert to fraction form
13,304,340.90/19,956,511.35 = 11,656,873.80/x - Step 3: Cross multiply
13,304,340.90x = 19,956,511.35 × 11,656,873.80 - Step 4: Simplify right side
13,304,340.90x = 232,630,534,295,217.66 - Step 5: Solve for x
x = 232,630,534,295,217.66/13,304,340.90 - Step 6: Final answer
x = 17,485,310.70
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1.5x scale
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.