Finding the Fourth Proportional to 14,413,674.13, 19,890,869.50 and 7,887,304.38
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Solution
The fourth proportional to 14,413,674.13, 19,890,869.50 and 7,887,304.38 is: 10,884,479.61
Step by Step Solution
- Step 1: Write the proportion equation
14,413,674.13 : 19,890,869.50 = 7,887,304.38 : x - Step 2: Convert to fraction form
14,413,674.13/19,890,869.50 = 7,887,304.38/x - Step 3: Cross multiply
14,413,674.13x = 19,890,869.50 × 7,887,304.38 - Step 4: Simplify right side
14,413,674.13x = 156,885,342,129,358.41 - Step 5: Solve for x
x = 156,885,342,129,358.41/14,413,674.13 - Step 6: Final answer
x = 10,884,479.61
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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.