Finding the Fourth Proportional to 12,653,021.44, 17,462,418.56 and 7,221,326.08
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Solution
The fourth proportional to 12,653,021.44, 17,462,418.56 and 7,221,326.08 is: 9,966,142.80
Step by Step Solution
- Step 1: Write the proportion equation
12,653,021.44 : 17,462,418.56 = 7,221,326.08 : x - Step 2: Convert to fraction form
12,653,021.44/17,462,418.56 = 7,221,326.08/x - Step 3: Cross multiply
12,653,021.44x = 17,462,418.56 × 7,221,326.08 - Step 4: Simplify right side
12,653,021.44x = 126,101,818,567,204.03 - Step 5: Solve for x
x = 126,101,818,567,204.03/12,653,021.44 - Step 6: Final answer
x = 9,966,142.80
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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.