Finding the Fourth Proportional to 14,221,586.68, 19,625,642.40 and 7,695,072.16
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Solution
The fourth proportional to 14,221,586.68, 19,625,642.40 and 7,695,072.16 is: 10,619,119.92
Step by Step Solution
- Step 1: Write the proportion equation
14,221,586.68 : 19,625,642.40 = 7,695,072.16 : x - Step 2: Convert to fraction form
14,221,586.68/19,625,642.40 = 7,695,072.16/x - Step 3: Cross multiply
14,221,586.68x = 19,625,642.40 × 7,695,072.16 - Step 4: Simplify right side
14,221,586.68x = 151,020,734,454,355.56 - Step 5: Solve for x
x = 151,020,734,454,355.56/14,221,586.68 - Step 6: Final answer
x = 10,619,119.92
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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.