Finding the Fourth Proportional to 13,860,708.60, 20,792,488.23 and 5,232,076.95
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Solution
The fourth proportional to 13,860,708.60, 20,792,488.23 and 5,232,076.95 is: 7,848,653.45
Step by Step Solution
- Step 1: Write the proportion equation
13,860,708.60 : 20,792,488.23 = 5,232,076.95 : x - Step 2: Convert to fraction form
13,860,708.60/20,792,488.23 = 5,232,076.95/x - Step 3: Cross multiply
13,860,708.60x = 20,792,488.23 × 5,232,076.95 - Step 4: Simplify right side
13,860,708.60x = 108,787,898,401,329.31 - Step 5: Solve for x
x = 108,787,898,401,329.31/13,860,708.60 - Step 6: Final answer
x = 7,848,653.45
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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.