Finding the Fourth Proportional to 19,598,124.66, 27,046,926.68 and 11,757,931.95
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Solution
The fourth proportional to 19,598,124.66, 27,046,926.68 and 11,757,931.95 is: 16,226,854.81
Step by Step Solution
- Step 1: Write the proportion equation
19,598,124.66 : 27,046,926.68 = 11,757,931.95 : x - Step 2: Convert to fraction form
19,598,124.66/27,046,926.68 = 11,757,931.95/x - Step 3: Cross multiply
19,598,124.66x = 27,046,926.68 × 11,757,931.95 - Step 4: Simplify right side
19,598,124.66x = 318,015,923,402,715.75 - Step 5: Solve for x
x = 318,015,923,402,715.75/19,598,124.66 - Step 6: Final answer
x = 16,226,854.81
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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.