Finding the Fourth Proportional to 14,213,915.19, 21,264,775.53 and 10,765,590.99
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Solution
The fourth proportional to 14,213,915.19, 21,264,775.53 and 10,765,590.99 is: 16,105,898.54
Step by Step Solution
- Step 1: Write the proportion equation
14,213,915.19 : 21,264,775.53 = 10,765,590.99 : x - Step 2: Convert to fraction form
14,213,915.19/21,264,775.53 = 10,765,590.99/x - Step 3: Cross multiply
14,213,915.19x = 21,264,775.53 × 10,765,590.99 - Step 4: Simplify right side
14,213,915.19x = 228,927,875,850,140.50 - Step 5: Solve for x
x = 228,927,875,850,140.50/14,213,915.19 - Step 6: Final answer
x = 16,105,898.54
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1.5x scale
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.