Finding the Fourth Proportional to 39,349,905.40, 58,945,808.76 and 19,594,514.98
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Solution
The fourth proportional to 39,349,905.40, 58,945,808.76 and 19,594,514.98 is: 29,352,409.39
Step by Step Solution
- Step 1: Write the proportion equation
39,349,905.40 : 58,945,808.76 = 19,594,514.98 : x - Step 2: Convert to fraction form
39,349,905.40/58,945,808.76 = 19,594,514.98/x - Step 3: Cross multiply
39,349,905.40x = 58,945,808.76 × 19,594,514.98 - Step 4: Simplify right side
39,349,905.40x = 1,155,014,532,756,035.25 - Step 5: Solve for x
x = 1,155,014,532,756,035.25/39,349,905.40 - Step 6: Final answer
x = 29,352,409.39
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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.