Finding the Fourth Proportional to 31,562,415.36, 43,553,652.48 and 19,337,610.24
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Solution
The fourth proportional to 31,562,415.36, 43,553,652.48 and 19,337,610.24 is: 26,684,382.25
Step by Step Solution
- Step 1: Write the proportion equation
31,562,415.36 : 43,553,652.48 = 19,337,610.24 : x - Step 2: Convert to fraction form
31,562,415.36/43,553,652.48 = 19,337,610.24/x - Step 3: Cross multiply
31,562,415.36x = 43,553,652.48 × 19,337,610.24 - Step 4: Simplify right side
31,562,415.36x = 842,223,556,186,649.25 - Step 5: Solve for x
x = 842,223,556,186,649.25/31,562,415.36 - Step 6: Final answer
x = 26,684,382.25
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1.5x scale
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.