Finding the Fourth Proportional to 14,489,814.08, 19,996,423.04 and 7,963,674.88
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Solution
The fourth proportional to 14,489,814.08, 19,996,423.04 and 7,963,674.88 is: 10,990,134.93
Step by Step Solution
- Step 1: Write the proportion equation
14,489,814.08 : 19,996,423.04 = 7,963,674.88 : x - Step 2: Convert to fraction form
14,489,814.08/19,996,423.04 = 7,963,674.88/x - Step 3: Cross multiply
14,489,814.08x = 19,996,423.04 × 7,963,674.88 - Step 4: Simplify right side
14,489,814.08x = 159,245,011,853,501.22 - Step 5: Solve for x
x = 159,245,011,853,501.22/14,489,814.08 - Step 6: Final answer
x = 10,990,134.93
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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.