Finding the Fourth Proportional to 34,970,685.09, 48,259,591.91 and 19,289,357.91
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Solution
The fourth proportional to 34,970,685.09, 48,259,591.91 and 19,289,357.91 is: 26,619,339.55
Step by Step Solution
- Step 1: Write the proportion equation
34,970,685.09 : 48,259,591.91 = 19,289,357.91 : x - Step 2: Convert to fraction form
34,970,685.09/48,259,591.91 = 19,289,357.91/x - Step 3: Cross multiply
34,970,685.09x = 48,259,591.91 × 19,289,357.91 - Step 4: Simplify right side
34,970,685.09x = 930,896,540,604,785.88 - Step 5: Solve for x
x = 930,896,540,604,785.88/34,970,685.09 - Step 6: Final answer
x = 26,619,339.55
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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.