Finding the Fourth Proportional to 48,385,979.20, 66,771,904.80 and 26,656,724.80
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Solution
The fourth proportional to 48,385,979.20, 66,771,904.80 and 26,656,724.80 is: 36,785,868.97
Step by Step Solution
- Step 1: Write the proportion equation
48,385,979.20 : 66,771,904.80 = 26,656,724.80 : x - Step 2: Convert to fraction form
48,385,979.20/66,771,904.80 = 26,656,724.80/x - Step 3: Cross multiply
48,385,979.20x = 66,771,904.80 × 26,656,724.80 - Step 4: Simplify right side
48,385,979.20x = 1,779,920,290,625,399 - Step 5: Solve for x
x = 1,779,920,290,625,399/48,385,979.20 - Step 6: Final answer
x = 36,785,868.97
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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.