Finding the Fourth Proportional to 6,895,542.88, 9,515,848.72 and 3,996,615.26
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Solution
The fourth proportional to 6,895,542.88, 9,515,848.72 and 3,996,615.26 is: 5,515,328.80
Step by Step Solution
- Step 1: Write the proportion equation
6,895,542.88 : 9,515,848.72 = 3,996,615.26 : x - Step 2: Convert to fraction form
6,895,542.88/9,515,848.72 = 3,996,615.26/x - Step 3: Cross multiply
6,895,542.88x = 9,515,848.72 × 3,996,615.26 - Step 4: Simplify right side
6,895,542.88x = 38,031,186,206,203.47 - Step 5: Solve for x
x = 38,031,186,206,203.47/6,895,542.88 - Step 6: Final answer
x = 5,515,328.80
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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.