Finding the Fourth Proportional to 14,270,277.21, 19,693,034.16 and 7,743,904.93
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Solution
The fourth proportional to 14,270,277.21, 19,693,034.16 and 7,743,904.93 is: 10,686,616.82
Step by Step Solution
- Step 1: Write the proportion equation
14,270,277.21 : 19,693,034.16 = 7,743,904.93 : x - Step 2: Convert to fraction form
14,270,277.21/19,693,034.16 = 7,743,904.93/x - Step 3: Cross multiply
14,270,277.21x = 19,693,034.16 × 7,743,904.93 - Step 4: Simplify right side
14,270,277.21x = 152,500,984,357,418.53 - Step 5: Solve for x
x = 152,500,984,357,418.53/14,270,277.21 - Step 6: Final answer
x = 10,686,616.82
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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.