Finding the Fourth Proportional to 19,982,974.04, 27,577,008.12 and 12,252,278.96
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Solution
The fourth proportional to 19,982,974.04, 27,577,008.12 and 12,252,278.96 is: 16,908,453.95
Step by Step Solution
- Step 1: Write the proportion equation
19,982,974.04 : 27,577,008.12 = 12,252,278.96 : x - Step 2: Convert to fraction form
19,982,974.04/27,577,008.12 = 12,252,278.96/x - Step 3: Cross multiply
19,982,974.04x = 27,577,008.12 × 12,252,278.96 - Step 4: Simplify right side
19,982,974.04x = 337,881,196,368,425.19 - Step 5: Solve for x
x = 337,881,196,368,425.19/19,982,974.04 - Step 6: Final answer
x = 16,908,453.95
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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.