Finding the Fourth Proportional to 38,542,610.84, 53,183,899.55 and 22,023,806.18
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Solution
The fourth proportional to 38,542,610.84, 53,183,899.55 and 22,023,806.18 is: 30,390,050.65
Step by Step Solution
- Step 1: Write the proportion equation
38,542,610.84 : 53,183,899.55 = 22,023,806.18 : x - Step 2: Convert to fraction form
38,542,610.84/53,183,899.55 = 22,023,806.18/x - Step 3: Cross multiply
38,542,610.84x = 53,183,899.55 × 22,023,806.18 - Step 4: Simplify right side
38,542,610.84x = 1,171,311,895,374,929.25 - Step 5: Solve for x
x = 1,171,311,895,374,929.25/38,542,610.84 - Step 6: Final answer
x = 30,390,050.65
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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.