Finding the Fourth Proportional to 16,804,935.60, 25,207,403.40 and 16,552,993.20
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Solution
The fourth proportional to 16,804,935.60, 25,207,403.40 and 16,552,993.20 is: 24,829,489.80
Step by Step Solution
- Step 1: Write the proportion equation
16,804,935.60 : 25,207,403.40 = 16,552,993.20 : x - Step 2: Convert to fraction form
16,804,935.60/25,207,403.40 = 16,552,993.20/x - Step 3: Cross multiply
16,804,935.60x = 25,207,403.40 × 16,552,993.20 - Step 4: Simplify right side
16,804,935.60x = 417,257,977,069,856.81 - Step 5: Solve for x
x = 417,257,977,069,856.81/16,804,935.60 - Step 6: Final answer
x = 24,829,489.80
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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.