Finding the Fourth Proportional to 47,520,210.84, 65,577,918.26 and 25,790,178.84
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Solution
The fourth proportional to 47,520,210.84, 65,577,918.26 and 25,790,178.84 is: 35,590,461.62
Step by Step Solution
- Step 1: Write the proportion equation
47,520,210.84 : 65,577,918.26 = 25,790,178.84 : x - Step 2: Convert to fraction form
47,520,210.84/65,577,918.26 = 25,790,178.84/x - Step 3: Cross multiply
47,520,210.84x = 65,577,918.26 × 25,790,178.84 - Step 4: Simplify right side
47,520,210.84x = 1,691,266,239,880,301.50 - Step 5: Solve for x
x = 1,691,266,239,880,301.50/47,520,210.84 - Step 6: Final answer
x = 35,590,461.62
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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.