Finding the Fourth Proportional to 39,445,223.21, 54,433,363.85 and 22,041,711.44
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Solution
The fourth proportional to 39,445,223.21, 54,433,363.85 and 22,041,711.44 is: 30,416,978.31
Step by Step Solution
- Step 1: Write the proportion equation
39,445,223.21 : 54,433,363.85 = 22,041,711.44 : x - Step 2: Convert to fraction form
39,445,223.21/54,433,363.85 = 22,041,711.44/x - Step 3: Cross multiply
39,445,223.21x = 54,433,363.85 × 22,041,711.44 - Step 4: Simplify right side
39,445,223.21x = 1,199,804,498,819,477.75 - Step 5: Solve for x
x = 1,199,804,498,819,477.75/39,445,223.21 - Step 6: Final answer
x = 30,416,978.31
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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.