Finding the Fourth Proportional to 19,651,435.88, 27,119,089.08 and 11,396,392.58
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Solution
The fourth proportional to 19,651,435.88, 27,119,089.08 and 11,396,392.58 is: 15,727,084.14
Step by Step Solution
- Step 1: Write the proportion equation
19,651,435.88 : 27,119,089.08 = 11,396,392.58 : x - Step 2: Convert to fraction form
19,651,435.88/27,119,089.08 = 11,396,392.58/x - Step 3: Cross multiply
19,651,435.88x = 27,119,089.08 × 11,396,392.58 - Step 4: Simplify right side
19,651,435.88x = 309,059,785,567,671 - Step 5: Solve for x
x = 309,059,785,567,671/19,651,435.88 - Step 6: Final answer
x = 15,727,084.14
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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.