Finding the Fourth Proportional to 19,856,031.66, 27,402,494.16 and 14,952,602.70
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Solution
The fourth proportional to 19,856,031.66, 27,402,494.16 and 14,952,602.70 is: 20,635,473.15
Step by Step Solution
- Step 1: Write the proportion equation
19,856,031.66 : 27,402,494.16 = 14,952,602.70 : x - Step 2: Convert to fraction form
19,856,031.66/27,402,494.16 = 14,952,602.70/x - Step 3: Cross multiply
19,856,031.66x = 27,402,494.16 × 14,952,602.70 - Step 4: Simplify right side
19,856,031.66x = 409,738,608,163,550.19 - Step 5: Solve for x
x = 409,738,608,163,550.19/19,856,031.66 - Step 6: Final answer
x = 20,635,473.15
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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.