Finding the Fourth Proportional to 39,040,321.08, 53,875,648.20 and 21,637,789.84
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Solution
The fourth proportional to 39,040,321.08, 53,875,648.20 and 21,637,789.84 is: 29,860,152.81
Step by Step Solution
- Step 1: Write the proportion equation
39,040,321.08 : 53,875,648.20 = 21,637,789.84 : x - Step 2: Convert to fraction form
39,040,321.08/53,875,648.20 = 21,637,789.84/x - Step 3: Cross multiply
39,040,321.08x = 53,875,648.20 × 21,637,789.84 - Step 4: Simplify right side
39,040,321.08x = 1,165,749,953,245,374.25 - Step 5: Solve for x
x = 1,165,749,953,245,374.25/39,040,321.08 - Step 6: Final answer
x = 29,860,152.81
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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.