Finding the Fourth Proportional to 21,674,503.68, 32,488,996.94 and 7,292,578.48
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Solution
The fourth proportional to 21,674,503.68, 32,488,996.94 and 7,292,578.48 is: 10,931,210.39
Step by Step Solution
- Step 1: Write the proportion equation
21,674,503.68 : 32,488,996.94 = 7,292,578.48 : x - Step 2: Convert to fraction form
21,674,503.68/32,488,996.94 = 7,292,578.48/x - Step 3: Cross multiply
21,674,503.68x = 32,488,996.94 × 7,292,578.48 - Step 4: Simplify right side
21,674,503.68x = 236,928,559,921,429.88 - Step 5: Solve for x
x = 236,928,559,921,429.88/21,674,503.68 - Step 6: Final answer
x = 10,931,210.39
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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.