Finding the Fourth Proportional to 19,924,097.57, 27,495,408.17 and 11,221,455.95
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Solution
The fourth proportional to 19,924,097.57, 27,495,408.17 and 11,221,455.95 is: 15,485,695.67
Step by Step Solution
- Step 1: Write the proportion equation
19,924,097.57 : 27,495,408.17 = 11,221,455.95 : x - Step 2: Convert to fraction form
19,924,097.57/27,495,408.17 = 11,221,455.95/x - Step 3: Cross multiply
19,924,097.57x = 27,495,408.17 × 11,221,455.95 - Step 4: Simplify right side
19,924,097.57x = 308,538,511,413,340.81 - Step 5: Solve for x
x = 308,538,511,413,340.81/19,924,097.57 - Step 6: Final answer
x = 15,485,695.67
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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.