Finding the Fourth Proportional to 47,299,721.58, 65,261,263.07 and 27,710,079.14
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Solution
The fourth proportional to 47,299,721.58, 65,261,263.07 and 27,710,079.14 is: 38,232,672.50
Step by Step Solution
- Step 1: Write the proportion equation
47,299,721.58 : 65,261,263.07 = 27,710,079.14 : x - Step 2: Convert to fraction form
47,299,721.58/65,261,263.07 = 27,710,079.14/x - Step 3: Cross multiply
47,299,721.58x = 65,261,263.07 × 27,710,079.14 - Step 4: Simplify right side
47,299,721.58x = 1,808,394,764,678,487.50 - Step 5: Solve for x
x = 1,808,394,764,678,487.50/47,299,721.58 - Step 6: Final answer
x = 38,232,672.50
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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.