Finding the Fourth Proportional to 51,990,567.60, 71,749,224.96 and 28,785,693.84
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Solution
The fourth proportional to 51,990,567.60, 71,749,224.96 and 28,785,693.84 is: 39,725,498.65
Step by Step Solution
- Step 1: Write the proportion equation
51,990,567.60 : 71,749,224.96 = 28,785,693.84 : x - Step 2: Convert to fraction form
51,990,567.60/71,749,224.96 = 28,785,693.84/x - Step 3: Cross multiply
51,990,567.60x = 71,749,224.96 × 28,785,693.84 - Step 4: Simplify right side
51,990,567.60x = 2,065,351,222,955,846 - Step 5: Solve for x
x = 2,065,351,222,955,846/51,990,567.60 - Step 6: Final answer
x = 39,725,498.65
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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.