Finding the Fourth Proportional to 8,135,950.80, 11,226,794.64 and 4,872,681.96
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Solution
The fourth proportional to 8,135,950.80, 11,226,794.64 and 4,872,681.96 is: 6,723,811.52
Step by Step Solution
- Step 1: Write the proportion equation
8,135,950.80 : 11,226,794.64 = 4,872,681.96 : x - Step 2: Convert to fraction form
8,135,950.80/11,226,794.64 = 4,872,681.96/x - Step 3: Cross multiply
8,135,950.80x = 11,226,794.64 × 4,872,681.96 - Step 4: Simplify right side
8,135,950.80x = 54,704,599,710,952.70 - Step 5: Solve for x
x = 54,704,599,710,952.70/8,135,950.80 - Step 6: Final answer
x = 6,723,811.52
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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.