Finding the Fourth Proportional to 19,842,462.12, 27,381,672.24 and 11,022,485.06
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Solution
The fourth proportional to 19,842,462.12, 27,381,672.24 and 11,022,485.06 is: 15,210,515.28
Step by Step Solution
- Step 1: Write the proportion equation
19,842,462.12 : 27,381,672.24 = 11,022,485.06 : x - Step 2: Convert to fraction form
19,842,462.12/27,381,672.24 = 11,022,485.06/x - Step 3: Cross multiply
19,842,462.12x = 27,381,672.24 × 11,022,485.06 - Step 4: Simplify right side
19,842,462.12x = 301,814,073,210,336.56 - Step 5: Solve for x
x = 301,814,073,210,336.56/19,842,462.12 - Step 6: Final answer
x = 15,210,515.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.