Finding the Fourth Proportional to 19,494,619.28, 29,242,607.20 and 9,254,203.80
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Solution
The fourth proportional to 19,494,619.28, 29,242,607.20 and 9,254,203.80 is: 13,881,627.68
Step by Step Solution
- Step 1: Write the proportion equation
19,494,619.28 : 29,242,607.20 = 9,254,203.80 : x - Step 2: Convert to fraction form
19,494,619.28/29,242,607.20 = 9,254,203.80/x - Step 3: Cross multiply
19,494,619.28x = 29,242,607.20 × 9,254,203.80 - Step 4: Simplify right side
19,494,619.28x = 270,617,046,672,147.38 - Step 5: Solve for x
x = 270,617,046,672,147.38/19,494,619.28 - Step 6: Final answer
x = 13,881,627.68
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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.