Finding the Fourth Proportional to 12,727,776.24, 17,564,727.18 and 7,221,383.08
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Solution
The fourth proportional to 12,727,776.24, 17,564,727.18 and 7,221,383.08 is: 9,965,733.31
Step by Step Solution
- Step 1: Write the proportion equation
12,727,776.24 : 17,564,727.18 = 7,221,383.08 : x - Step 2: Convert to fraction form
12,727,776.24/17,564,727.18 = 7,221,383.08/x - Step 3: Cross multiply
12,727,776.24x = 17,564,727.18 × 7,221,383.08 - Step 4: Simplify right side
12,727,776.24x = 126,841,623,645,636.47 - Step 5: Solve for x
x = 126,841,623,645,636.47/12,727,776.24 - Step 6: Final answer
x = 9,965,733.31
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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.