Finding the Fourth Proportional to 38,417,062.68, 57,625,692.28 and 15,697,959.84
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Solution
The fourth proportional to 38,417,062.68, 57,625,692.28 and 15,697,959.84 is: 23,546,979.91
Step by Step Solution
- Step 1: Write the proportion equation
38,417,062.68 : 57,625,692.28 = 15,697,959.84 : x - Step 2: Convert to fraction form
38,417,062.68/57,625,692.28 = 15,697,959.84/x - Step 3: Cross multiply
38,417,062.68x = 57,625,692.28 × 15,697,959.84 - Step 4: Simplify right side
38,417,062.68x = 904,605,803,163,638 - Step 5: Solve for x
x = 904,605,803,163,638/38,417,062.68 - Step 6: Final answer
x = 23,546,979.91
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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.