Finding the Fourth Proportional to 13,287,462.80, 19,918,752.60 and 10,407,232.40
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Solution
The fourth proportional to 13,287,462.80, 19,918,752.60 and 10,407,232.40 is: 15,601,103.88
Step by Step Solution
- Step 1: Write the proportion equation
13,287,462.80 : 19,918,752.60 = 10,407,232.40 : x - Step 2: Convert to fraction form
13,287,462.80/19,918,752.60 = 10,407,232.40/x - Step 3: Cross multiply
13,287,462.80x = 19,918,752.60 × 10,407,232.40 - Step 4: Simplify right side
13,287,462.80x = 207,299,087,426,304.25 - Step 5: Solve for x
x = 207,299,087,426,304.25/13,287,462.80 - Step 6: Final answer
x = 15,601,103.88
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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.