Finding the Fourth Proportional to 56,992,955.60, 85,497,727.80 and 18,645,179.60
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Solution
The fourth proportional to 56,992,955.60, 85,497,727.80 and 18,645,179.60 is: 27,970,482.90
Step by Step Solution
- Step 1: Write the proportion equation
56,992,955.60 : 85,497,727.80 = 18,645,179.60 : x - Step 2: Convert to fraction form
56,992,955.60/85,497,727.80 = 18,645,179.60/x - Step 3: Cross multiply
56,992,955.60x = 85,497,727.80 × 18,645,179.60 - Step 4: Simplify right side
56,992,955.60x = 1,594,120,490,222,913 - Step 5: Solve for x
x = 1,594,120,490,222,913/56,992,955.60 - Step 6: Final answer
x = 27,970,482.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.