Finding the Fourth Proportional to 26,005,223.79, 35,887,119.24 and 14,991,920.99
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Solution
The fourth proportional to 26,005,223.79, 35,887,119.24 and 14,991,920.99 is: 20,688,799.31
Step by Step Solution
- Step 1: Write the proportion equation
26,005,223.79 : 35,887,119.24 = 14,991,920.99 : x - Step 2: Convert to fraction form
26,005,223.79/35,887,119.24 = 14,991,920.99/x - Step 3: Cross multiply
26,005,223.79x = 35,887,119.24 × 14,991,920.99 - Step 4: Simplify right side
26,005,223.79x = 538,016,856,025,353.25 - Step 5: Solve for x
x = 538,016,856,025,353.25/26,005,223.79 - Step 6: Final answer
x = 20,688,799.31
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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.