Finding the Fourth Proportional to 14,271,988.66, 19,695,344.24 and 7,745,618.07
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Solution
The fourth proportional to 14,271,988.66, 19,695,344.24 and 7,745,618.07 is: 10,688,952.88
Step by Step Solution
- Step 1: Write the proportion equation
14,271,988.66 : 19,695,344.24 = 7,745,618.07 : x - Step 2: Convert to fraction form
14,271,988.66/19,695,344.24 = 7,745,618.07/x - Step 3: Cross multiply
14,271,988.66x = 19,695,344.24 × 7,745,618.07 - Step 4: Simplify right side
14,271,988.66x = 152,552,614,259,578.47 - Step 5: Solve for x
x = 152,552,614,259,578.47/14,271,988.66 - Step 6: Final answer
x = 10,688,952.88
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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.