Finding the Fourth Proportional to 13,122,242.20, 19,683,363.30 and 8,020,408.60
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Solution
The fourth proportional to 13,122,242.20, 19,683,363.30 and 8,020,408.60 is: 12,030,612.90
Step by Step Solution
- Step 1: Write the proportion equation
13,122,242.20 : 19,683,363.30 = 8,020,408.60 : x - Step 2: Convert to fraction form
13,122,242.20/19,683,363.30 = 8,020,408.60/x - Step 3: Cross multiply
13,122,242.20x = 19,683,363.30 × 8,020,408.60 - Step 4: Simplify right side
13,122,242.20x = 157,868,616,288,244.38 - Step 5: Solve for x
x = 157,868,616,288,244.38/13,122,242.20 - Step 6: Final answer
x = 12,030,612.90
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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.