Finding the Fourth Proportional to 19,953,009.20, 29,941,323.60 and 13,149,252.20
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Solution
The fourth proportional to 19,953,009.20, 29,941,323.60 and 13,149,252.20 is: 19,731,661.09
Step by Step Solution
- Step 1: Write the proportion equation
19,953,009.20 : 29,941,323.60 = 13,149,252.20 : x - Step 2: Convert to fraction form
19,953,009.20/29,941,323.60 = 13,149,252.20/x - Step 3: Cross multiply
19,953,009.20x = 29,941,323.60 × 13,149,252.20 - Step 4: Simplify right side
19,953,009.20x = 393,706,015,218,211.94 - Step 5: Solve for x
x = 393,706,015,218,211.94/19,953,009.20 - Step 6: Final answer
x = 19,731,661.09
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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.