Finding the Fourth Proportional to 29,800,904.28, 41,128,656.80 and 16,571,400.23
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Solution
The fourth proportional to 29,800,904.28, 41,128,656.80 and 16,571,400.23 is: 22,870,427.89
Step by Step Solution
- Step 1: Write the proportion equation
29,800,904.28 : 41,128,656.80 = 16,571,400.23 : x - Step 2: Convert to fraction form
29,800,904.28/41,128,656.80 = 16,571,400.23/x - Step 3: Cross multiply
29,800,904.28x = 41,128,656.80 × 16,571,400.23 - Step 4: Simplify right side
29,800,904.28x = 681,559,432,466,610.75 - Step 5: Solve for x
x = 681,559,432,466,610.75/29,800,904.28 - Step 6: Final answer
x = 22,870,427.89
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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.