Finding the Fourth Proportional to 43,471,978.70, 65,207,968.05 and 26,465,866.70
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Solution
The fourth proportional to 43,471,978.70, 65,207,968.05 and 26,465,866.70 is: 39,698,800.05
Step by Step Solution
- Step 1: Write the proportion equation
43,471,978.70 : 65,207,968.05 = 26,465,866.70 : x - Step 2: Convert to fraction form
43,471,978.70/65,207,968.05 = 26,465,866.70/x - Step 3: Cross multiply
43,471,978.70x = 65,207,968.05 × 26,465,866.70 - Step 4: Simplify right side
43,471,978.70x = 1,725,785,390,189,158.75 - Step 5: Solve for x
x = 1,725,785,390,189,158.75/43,471,978.70 - Step 6: Final answer
x = 39,698,800.05
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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.