Finding the Fourth Proportional to 19,856,580.19, 27,394,201.01 and 11,482,402.58
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Solution
The fourth proportional to 19,856,580.19, 27,394,201.01 and 11,482,402.58 is: 15,841,159.02
Step by Step Solution
- Step 1: Write the proportion equation
19,856,580.19 : 27,394,201.01 = 11,482,402.58 : x - Step 2: Convert to fraction form
19,856,580.19/27,394,201.01 = 11,482,402.58/x - Step 3: Cross multiply
19,856,580.19x = 27,394,201.01 × 11,482,402.58 - Step 4: Simplify right side
19,856,580.19x = 314,551,244,357,030.94 - Step 5: Solve for x
x = 314,551,244,357,030.94/19,856,580.19 - Step 6: Final answer
x = 15,841,159.02
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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.