Finding the Fourth Proportional to 28,090,135.70, 38,748,866.56 and 22,868,760.68
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Solution
The fourth proportional to 28,090,135.70, 38,748,866.56 and 22,868,760.68 is: 31,546,254.01
Step by Step Solution
- Step 1: Write the proportion equation
28,090,135.70 : 38,748,866.56 = 22,868,760.68 : x - Step 2: Convert to fraction form
28,090,135.70/38,748,866.56 = 22,868,760.68/x - Step 3: Cross multiply
28,090,135.70x = 38,748,866.56 × 22,868,760.68 - Step 4: Simplify right side
28,090,135.70x = 886,138,555,730,978.62 - Step 5: Solve for x
x = 886,138,555,730,978.62/28,090,135.70 - Step 6: Final answer
x = 31,546,254.01
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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.