Finding the Fourth Proportional to 34,178,965.60, 47,165,797.92 and 19,499,383.84
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Solution
The fourth proportional to 34,178,965.60, 47,165,797.92 and 19,499,383.84 is: 26,908,479.58
Step by Step Solution
- Step 1: Write the proportion equation
34,178,965.60 : 47,165,797.92 = 19,499,383.84 : x - Step 2: Convert to fraction form
34,178,965.60/47,165,797.92 = 19,499,383.84/x - Step 3: Cross multiply
34,178,965.60x = 47,165,797.92 × 19,499,383.84 - Step 4: Simplify right side
34,178,965.60x = 919,703,997,761,953.62 - Step 5: Solve for x
x = 919,703,997,761,953.62/34,178,965.60 - Step 6: Final answer
x = 26,908,479.58
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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.