Finding the Fourth Proportional to 40,376,575.99, 55,719,901.25 and 22,972,920.85
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Solution
The fourth proportional to 40,376,575.99, 55,719,901.25 and 22,972,920.85 is: 31,702,759.58
Step by Step Solution
- Step 1: Write the proportion equation
40,376,575.99 : 55,719,901.25 = 22,972,920.85 : x - Step 2: Convert to fraction form
40,376,575.99/55,719,901.25 = 22,972,920.85/x - Step 3: Cross multiply
40,376,575.99x = 55,719,901.25 × 22,972,920.85 - Step 4: Simplify right side
40,376,575.99x = 1,280,048,881,186,066.25 - Step 5: Solve for x
x = 1,280,048,881,186,066.25/40,376,575.99 - Step 6: Final answer
x = 31,702,759.58
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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.