Finding the Fourth Proportional to 21,674,489.75, 32,488,976.05 and 7,292,564.52
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Solution
The fourth proportional to 21,674,489.75, 32,488,976.05 and 7,292,564.52 is: 10,931,189.47
Step by Step Solution
- Step 1: Write the proportion equation
21,674,489.75 : 32,488,976.05 = 7,292,564.52 : x - Step 2: Convert to fraction form
21,674,489.75/32,488,976.05 = 7,292,564.52/x - Step 3: Cross multiply
21,674,489.75x = 32,488,976.05 × 7,292,564.52 - Step 4: Simplify right side
21,674,489.75x = 236,927,954,033,359.75 - Step 5: Solve for x
x = 236,927,954,033,359.75/21,674,489.75 - Step 6: Final answer
x = 10,931,189.47
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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.