Finding the Fourth Proportional to 12,838,576.08, 17,717,449.05 and 6,958,398.06
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Solution
The fourth proportional to 12,838,576.08, 17,717,449.05 and 6,958,398.06 is: 9,602,705.34
Step by Step Solution
- Step 1: Write the proportion equation
12,838,576.08 : 17,717,449.05 = 6,958,398.06 : x - Step 2: Convert to fraction form
12,838,576.08/17,717,449.05 = 6,958,398.06/x - Step 3: Cross multiply
12,838,576.08x = 17,717,449.05 × 6,958,398.06 - Step 4: Simplify right side
12,838,576.08x = 123,285,063,097,668.84 - Step 5: Solve for x
x = 123,285,063,097,668.84/12,838,576.08 - Step 6: Final answer
x = 9,602,705.34
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1.5x scale
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.