Finding the Fourth Proportional to 7,294,972.95, 10,067,451.99 and 4,197,967.74
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Solution
The fourth proportional to 7,294,972.95, 10,067,451.99 and 4,197,967.74 is: 5,793,419.52
Step by Step Solution
- Step 1: Write the proportion equation
7,294,972.95 : 10,067,451.99 = 4,197,967.74 : x - Step 2: Convert to fraction form
7,294,972.95/10,067,451.99 = 4,197,967.74/x - Step 3: Cross multiply
7,294,972.95x = 10,067,451.99 × 4,197,967.74 - Step 4: Simplify right side
7,294,972.95x = 42,262,838,678,018.80 - Step 5: Solve for x
x = 42,262,838,678,018.80/7,294,972.95 - Step 6: Final answer
x = 5,793,419.52
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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.