Finding the Fourth Proportional to 39,677,812.68, 54,752,358.60 and 22,270,794.90
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Solution
The fourth proportional to 39,677,812.68, 54,752,358.60 and 22,270,794.90 is: 30,732,000.24
Step by Step Solution
- Step 1: Write the proportion equation
39,677,812.68 : 54,752,358.60 = 22,270,794.90 : x - Step 2: Convert to fraction form
39,677,812.68/54,752,358.60 = 22,270,794.90/x - Step 3: Cross multiply
39,677,812.68x = 54,752,358.60 × 22,270,794.90 - Step 4: Simplify right side
39,677,812.68x = 1,219,378,548,671,851 - Step 5: Solve for x
x = 1,219,378,548,671,851/39,677,812.68 - Step 6: Final answer
x = 30,732,000.24
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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.