Finding the Fourth Proportional to 16,688,601.38, 25,025,054.84 and 6,458,278.99
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Solution
The fourth proportional to 16,688,601.38, 25,025,054.84 and 6,458,278.99 is: 9,684,381.70
Step by Step Solution
- Step 1: Write the proportion equation
16,688,601.38 : 25,025,054.84 = 6,458,278.99 : x - Step 2: Convert to fraction form
16,688,601.38/25,025,054.84 = 6,458,278.99/x - Step 3: Cross multiply
16,688,601.38x = 25,025,054.84 × 6,458,278.99 - Step 4: Simplify right side
16,688,601.38x = 161,618,785,909,384.12 - Step 5: Solve for x
x = 161,618,785,909,384.12/16,688,601.38 - Step 6: Final answer
x = 9,684,381.70
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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.