Finding the Fourth Proportional to 47,347,484.32, 65,320,937.60 and 27,497,870.70
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Solution
The fourth proportional to 47,347,484.32, 65,320,937.60 and 27,497,870.70 is: 37,936,264.66
Step by Step Solution
- Step 1: Write the proportion equation
47,347,484.32 : 65,320,937.60 = 27,497,870.70 : x - Step 2: Convert to fraction form
47,347,484.32/65,320,937.60 = 27,497,870.70/x - Step 3: Cross multiply
47,347,484.32x = 65,320,937.60 × 27,497,870.70 - Step 4: Simplify right side
47,347,484.32x = 1,796,186,696,127,568.25 - Step 5: Solve for x
x = 1,796,186,696,127,568.25/47,347,484.32 - Step 6: Final answer
x = 37,936,264.66
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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.