Finding the Fourth Proportional to 9,221,029.68, 12,713,189.58 and 7,561,060.23
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Solution
The fourth proportional to 9,221,029.68, 12,713,189.58 and 7,561,060.23 is: 10,424,561.62
Step by Step Solution
- Step 1: Write the proportion equation
9,221,029.68 : 12,713,189.58 = 7,561,060.23 : x - Step 2: Convert to fraction form
9,221,029.68/12,713,189.58 = 7,561,060.23/x - Step 3: Cross multiply
9,221,029.68x = 12,713,189.58 × 7,561,060.23 - Step 4: Simplify right side
9,221,029.68x = 96,125,192,129,788.41 - Step 5: Solve for x
x = 96,125,192,129,788.41/9,221,029.68 - Step 6: Final answer
x = 10,424,561.62
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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.