Finding the Fourth Proportional to 42,268,809.60, 63,387,118.08 and 17,992,414.08
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Solution
The fourth proportional to 42,268,809.60, 63,387,118.08 and 17,992,414.08 is: 26,981,769.46
Step by Step Solution
- Step 1: Write the proportion equation
42,268,809.60 : 63,387,118.08 = 17,992,414.08 : x - Step 2: Convert to fraction form
42,268,809.60/63,387,118.08 = 17,992,414.08/x - Step 3: Cross multiply
42,268,809.60x = 63,387,118.08 × 17,992,414.08 - Step 4: Simplify right side
42,268,809.60x = 1,140,487,275,833,214.50 - Step 5: Solve for x
x = 1,140,487,275,833,214.50/42,268,809.60 - Step 6: Final answer
x = 26,981,769.46
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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.