Finding the Fourth Proportional to 19,670,722.08, 27,145,943.28 and 10,851,182.88
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Solution
The fourth proportional to 19,670,722.08, 27,145,943.28 and 10,851,182.88 is: 14,974,823.69
Step by Step Solution
- Step 1: Write the proportion equation
19,670,722.08 : 27,145,943.28 = 10,851,182.88 : x - Step 2: Convert to fraction form
19,670,722.08/27,145,943.28 = 10,851,182.88/x - Step 3: Cross multiply
19,670,722.08x = 27,145,943.28 × 10,851,182.88 - Step 4: Simplify right side
19,670,722.08x = 294,565,594,981,387.06 - Step 5: Solve for x
x = 294,565,594,981,387.06/19,670,722.08 - Step 6: Final answer
x = 14,974,823.69
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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.