Finding the Fourth Proportional to 13,482,860.90, 20,224,291.35 and 8,947,897.70
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Solution
The fourth proportional to 13,482,860.90, 20,224,291.35 and 8,947,897.70 is: 13,421,846.55
Step by Step Solution
- Step 1: Write the proportion equation
13,482,860.90 : 20,224,291.35 = 8,947,897.70 : x - Step 2: Convert to fraction form
13,482,860.90/20,224,291.35 = 8,947,897.70/x - Step 3: Cross multiply
13,482,860.90x = 20,224,291.35 × 8,947,897.70 - Step 4: Simplify right side
13,482,860.90x = 180,964,890,054,794.91 - Step 5: Solve for x
x = 180,964,890,054,794.91/13,482,860.90 - Step 6: Final answer
x = 13,421,846.55
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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.