Finding the Fourth Proportional to 19,409,440.80, 29,103,663.60 and 8,051,037.60
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Solution
The fourth proportional to 19,409,440.80, 29,103,663.60 and 8,051,037.60 is: 12,072,201.99
Step by Step Solution
- Step 1: Write the proportion equation
19,409,440.80 : 29,103,663.60 = 8,051,037.60 : x - Step 2: Convert to fraction form
19,409,440.80/29,103,663.60 = 8,051,037.60/x - Step 3: Cross multiply
19,409,440.80x = 29,103,663.60 × 8,051,037.60 - Step 4: Simplify right side
19,409,440.80x = 234,314,689,941,351.38 - Step 5: Solve for x
x = 234,314,689,941,351.38/19,409,440.80 - Step 6: Final answer
x = 12,072,201.99
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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.