Finding the Fourth Proportional to 39,050,658.18, 53,890,346.70 and 22,307,615.10
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Solution
The fourth proportional to 39,050,658.18, 53,890,346.70 and 22,307,615.10 is: 30,784,759.28
Step by Step Solution
- Step 1: Write the proportion equation
39,050,658.18 : 53,890,346.70 = 22,307,615.10 : x - Step 2: Convert to fraction form
39,050,658.18/53,890,346.70 = 22,307,615.10/x - Step 3: Cross multiply
39,050,658.18x = 53,890,346.70 × 22,307,615.10 - Step 4: Simplify right side
39,050,658.18x = 1,202,165,111,789,155.25 - Step 5: Solve for x
x = 1,202,165,111,789,155.25/39,050,658.18 - Step 6: Final answer
x = 30,784,759.28
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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.