Finding the Fourth Proportional to 19,024,731.36, 28,546,428.24 and 8,928,173.28
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Solution
The fourth proportional to 19,024,731.36, 28,546,428.24 and 8,928,173.28 is: 13,396,638.99
Step by Step Solution
- Step 1: Write the proportion equation
19,024,731.36 : 28,546,428.24 = 8,928,173.28 : x - Step 2: Convert to fraction form
19,024,731.36/28,546,428.24 = 8,928,173.28/x - Step 3: Cross multiply
19,024,731.36x = 28,546,428.24 × 8,928,173.28 - Step 4: Simplify right side
19,024,731.36x = 254,867,457,851,805.41 - Step 5: Solve for x
x = 254,867,457,851,805.41/19,024,731.36 - Step 6: Final answer
x = 13,396,638.99
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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.