Finding the Fourth Proportional to 12,913,553.27, 19,363,603.96 and 4,819,872.68
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Solution
The fourth proportional to 12,913,553.27, 19,363,603.96 and 4,819,872.68 is: 7,227,298.62
Step by Step Solution
- Step 1: Write the proportion equation
12,913,553.27 : 19,363,603.96 = 4,819,872.68 : x - Step 2: Convert to fraction form
12,913,553.27/19,363,603.96 = 4,819,872.68/x - Step 3: Cross multiply
12,913,553.27x = 19,363,603.96 × 4,819,872.68 - Step 4: Simplify right side
12,913,553.27x = 93,330,105,713,143.81 - Step 5: Solve for x
x = 93,330,105,713,143.81/12,913,553.27 - Step 6: Final answer
x = 7,227,298.62
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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.