Finding the Fourth Proportional to 19,351,637.80, 29,030,528.70 and 6,573,346.60
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Solution
The fourth proportional to 19,351,637.80, 29,030,528.70 and 6,573,346.60 is: 9,861,063.39
Step by Step Solution
- Step 1: Write the proportion equation
19,351,637.80 : 29,030,528.70 = 6,573,346.60 : x - Step 2: Convert to fraction form
19,351,637.80/29,030,528.70 = 6,573,346.60/x - Step 3: Cross multiply
19,351,637.80x = 29,030,528.70 × 6,573,346.60 - Step 4: Simplify right side
19,351,637.80x = 190,827,727,126,347.41 - Step 5: Solve for x
x = 190,827,727,126,347.41/19,351,637.80 - Step 6: Final answer
x = 9,861,063.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.