Finding the Fourth Proportional to 14,406,754.74, 19,888,021.41 and 8,524,539.39
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Solution
The fourth proportional to 14,406,754.74, 19,888,021.41 and 8,524,539.39 is: 11,767,828.70
Step by Step Solution
- Step 1: Write the proportion equation
14,406,754.74 : 19,888,021.41 = 8,524,539.39 : x - Step 2: Convert to fraction form
14,406,754.74/19,888,021.41 = 8,524,539.39/x - Step 3: Cross multiply
14,406,754.74x = 19,888,021.41 × 8,524,539.39 - Step 4: Simplify right side
14,406,754.74x = 169,536,221,898,708.34 - Step 5: Solve for x
x = 169,536,221,898,708.34/14,406,754.74 - Step 6: Final answer
x = 11,767,828.70
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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.