Finding the Fourth Proportional to 26,876,663.48, 37,088,727.40 and 15,866,959.74
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Solution
The fourth proportional to 26,876,663.48, 37,088,727.40 and 15,866,959.74 is: 21,895,773.82
Step by Step Solution
- Step 1: Write the proportion equation
26,876,663.48 : 37,088,727.40 = 15,866,959.74 : x - Step 2: Convert to fraction form
26,876,663.48/37,088,727.40 = 15,866,959.74/x - Step 3: Cross multiply
26,876,663.48x = 37,088,727.40 × 15,866,959.74 - Step 4: Simplify right side
26,876,663.48x = 588,485,344,463,634.88 - Step 5: Solve for x
x = 588,485,344,463,634.88/26,876,663.48 - Step 6: Final answer
x = 21,895,773.82
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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.