Finding the Fourth Proportional to 28,397,411.80, 42,596,117.70 and 26,717,795.80
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Solution
The fourth proportional to 28,397,411.80, 42,596,117.70 and 26,717,795.80 is: 40,076,693.70
Step by Step Solution
- Step 1: Write the proportion equation
28,397,411.80 : 42,596,117.70 = 26,717,795.80 : x - Step 2: Convert to fraction form
28,397,411.80/42,596,117.70 = 26,717,795.80/x - Step 3: Cross multiply
28,397,411.80x = 42,596,117.70 × 26,717,795.80 - Step 4: Simplify right side
28,397,411.80x = 1,138,074,374,581,365.75 - Step 5: Solve for x
x = 1,138,074,374,581,365.75/28,397,411.80 - Step 6: Final answer
x = 40,076,693.70
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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.