Finding the Fourth Proportional to 39,444,078.80, 59,138,124.60 and 15,173,627.60
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Solution
The fourth proportional to 39,444,078.80, 59,138,124.60 and 15,173,627.60 is: 22,749,672.62
Step by Step Solution
- Step 1: Write the proportion equation
39,444,078.80 : 59,138,124.60 = 15,173,627.60 : x - Step 2: Convert to fraction form
39,444,078.80/59,138,124.60 = 15,173,627.60/x - Step 3: Cross multiply
39,444,078.80x = 59,138,124.60 × 15,173,627.60 - Step 4: Simplify right side
39,444,078.80x = 897,339,879,642,799 - Step 5: Solve for x
x = 897,339,879,642,799/39,444,078.80 - Step 6: Final answer
x = 22,749,672.62
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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.