Finding the Fourth Proportional to 19,953,011.20, 29,941,326.60 and 13,149,254.20
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Solution
The fourth proportional to 19,953,011.20, 29,941,326.60 and 13,149,254.20 is: 19,731,664.09
Step by Step Solution
- Step 1: Write the proportion equation
19,953,011.20 : 29,941,326.60 = 13,149,254.20 : x - Step 2: Convert to fraction form
19,953,011.20/29,941,326.60 = 13,149,254.20/x - Step 3: Cross multiply
19,953,011.20x = 29,941,326.60 × 13,149,254.20 - Step 4: Simplify right side
19,953,011.20x = 393,706,114,548,621.69 - Step 5: Solve for x
x = 393,706,114,548,621.69/19,953,011.20 - Step 6: Final answer
x = 19,731,664.09
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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.