Finding the Fourth Proportional to 19,133,814.68, 28,700,827.72 and 4,756,882.49
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Solution
The fourth proportional to 19,133,814.68, 28,700,827.72 and 4,756,882.49 is: 7,135,350.01
Step by Step Solution
- Step 1: Write the proportion equation
19,133,814.68 : 28,700,827.72 = 4,756,882.49 : x - Step 2: Convert to fraction form
19,133,814.68/28,700,827.72 = 4,756,882.49/x - Step 3: Cross multiply
19,133,814.68x = 28,700,827.72 × 4,756,882.49 - Step 4: Simplify right side
19,133,814.68x = 136,526,464,674,378.30 - Step 5: Solve for x
x = 136,526,464,674,378.30/19,133,814.68 - Step 6: Final answer
x = 7,135,350.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.